Bump the dependencies group with 2 updates (#1537)

Bumps the dependencies group with 2 updates: [actions/checkout](https://github.com/actions/checkout) and [DavidAnson/markdownlint-cli2-action](https://github.com/davidanson/markdownlint-cli2-action).


Updates `actions/checkout` from 5.0.0 to 6.0.0
- [Release notes](https://github.com/actions/checkout/releases)
- [Changelog](https://github.com/actions/checkout/blob/main/CHANGELOG.md)
- [Commits](actions/checkout@08c6903...1af3b93)

Updates `DavidAnson/markdownlint-cli2-action` from 20.0.0 to 21.0.0
- [Release notes](https://github.com/davidanson/markdownlint-cli2-action/releases)
- [Commits](DavidAnson/markdownlint-cli2-action@992badc...30a0e04)

---
updated-dependencies:
- dependency-name: actions/checkout
  dependency-version: 6.0.0
  dependency-type: direct:production
  update-type: version-update:semver-major
  dependency-group: dependencies
- dependency-name: DavidAnson/markdownlint-cli2-action
  dependency-version: 21.0.0
  dependency-type: direct:production
  update-type: version-update:semver-major
  dependency-group: dependencies
...

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

.github/workflows/dart.yml

@@ -34,7 +34,7 @@ jobs:
           sdk: stable
       - id: checkout
         name: Checkout repository
-        uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8
+        uses: actions/checkout@1af3b93b6815bc44a9784bd300feb67ff0d1eeb3
       - name: mono_repo self validate
         run: dart pub global activate mono_repo 6.6.3
       - name: mono_repo self validate
@@ -59,7 +59,7 @@ jobs:
           sdk: "3.9.0"
       - id: checkout
         name: Checkout repository
-        uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8
+        uses: actions/checkout@1af3b93b6815bc44a9784bd300feb67ff0d1eeb3
       - id: _test_yaml_pub_upgrade
         name: _test_yaml; dart pub upgrade
         run: dart pub upgrade
@@ -125,7 +125,7 @@ jobs:
           sdk: dev
       - id: checkout
         name: Checkout repository
-        uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8
+        uses: actions/checkout@1af3b93b6815bc44a9784bd300feb67ff0d1eeb3
       - id: _test_yaml_pub_upgrade
         name: _test_yaml; dart pub upgrade
         run: dart pub upgrade
@@ -211,7 +211,7 @@ jobs:
           sdk: "3.9.0"
       - id: checkout
         name: Checkout repository
-        uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8
+        uses: actions/checkout@1af3b93b6815bc44a9784bd300feb67ff0d1eeb3
       - id: _test_yaml_pub_upgrade
         name: _test_yaml; dart pub upgrade
         run: dart pub upgrade
@@ -272,7 +272,7 @@ jobs:
           sdk: "3.9.0"
       - id: checkout
         name: Checkout repository
-        uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8
+        uses: actions/checkout@1af3b93b6815bc44a9784bd300feb67ff0d1eeb3
       - id: json_serializable_pub_upgrade
         name: json_serializable; dart pub upgrade
         run: dart pub upgrade
@@ -306,7 +306,7 @@ jobs:
           sdk: "3.9.0"
       - id: checkout
         name: Checkout repository
-        uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8
+        uses: actions/checkout@1af3b93b6815bc44a9784bd300feb67ff0d1eeb3
       - id: json_serializable_pub_upgrade
         name: json_serializable; dart pub upgrade
         run: dart pub upgrade
@@ -340,7 +340,7 @@ jobs:
           sdk: "3.9.0"
       - id: checkout
         name: Checkout repository
-        uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8
+        uses: actions/checkout@1af3b93b6815bc44a9784bd300feb67ff0d1eeb3
       - id: json_serializable_pub_upgrade
         name: json_serializable; dart pub upgrade
         run: dart pub upgrade
@@ -374,7 +374,7 @@ jobs:
           sdk: dev
       - id: checkout
         name: Checkout repository
-        uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8
+        uses: actions/checkout@1af3b93b6815bc44a9784bd300feb67ff0d1eeb3
       - id: _test_yaml_pub_upgrade
         name: _test_yaml; dart pub upgrade
         run: dart pub upgrade
@@ -435,7 +435,7 @@ jobs:
           sdk: dev
       - id: checkout
         name: Checkout repository
-        uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8
+        uses: actions/checkout@1af3b93b6815bc44a9784bd300feb67ff0d1eeb3
       - id: json_serializable_pub_upgrade
         name: json_serializable; dart pub upgrade
         run: dart pub upgrade
@@ -469,7 +469,7 @@ jobs:
           sdk: dev
       - id: checkout
         name: Checkout repository
-        uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8
+        uses: actions/checkout@1af3b93b6815bc44a9784bd300feb67ff0d1eeb3
       - id: json_serializable_pub_upgrade
         name: json_serializable; dart pub upgrade
         run: dart pub upgrade
@@ -503,7 +503,7 @@ jobs:
           sdk: dev
       - id: checkout
         name: Checkout repository
-        uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8
+        uses: actions/checkout@1af3b93b6815bc44a9784bd300feb67ff0d1eeb3
       - id: json_serializable_pub_upgrade
         name: json_serializable; dart pub upgrade
         run: dart pub upgrade
@@ -537,7 +537,7 @@ jobs:
           sdk: "3.9.0"
       - id: checkout
         name: Checkout repository
-        uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8
+        uses: actions/checkout@1af3b93b6815bc44a9784bd300feb67ff0d1eeb3
       - id: _test_yaml_pub_upgrade
         name: _test_yaml; dart pub upgrade
         run: dart pub upgrade
@@ -597,7 +597,7 @@ jobs:
           sdk: dev
       - id: checkout
         name: Checkout repository
-        uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8
+        uses: actions/checkout@1af3b93b6815bc44a9784bd300feb67ff0d1eeb3
       - id: _test_yaml_pub_upgrade
         name: _test_yaml; dart pub upgrade
         run: dart pub upgrade

.github/workflows/markdown_linter.yml

@@ -11,10 +11,10 @@ jobs:
   markdown-link-check:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8
+      - uses: actions/checkout@1af3b93b6815bc44a9784bd300feb67ff0d1eeb3
       - uses: gaurav-nelson/github-action-markdown-link-check@5c5dfc0ac2e225883c0e5f03a85311ec2830d368
   markdown_lint:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8
-      - uses: DavidAnson/markdownlint-cli2-action@992badcdf24e3b8eb7e87ff9287fe931bcb00c6e
+      - uses: actions/checkout@1af3b93b6815bc44a9784bd300feb67ff0d1eeb3
+      - uses: DavidAnson/markdownlint-cli2-action@30a0e04f1870d58f8d717450cc6134995f993c63