Bump gradle/actions from 5 to 6 (#152)

Bumps [gradle/actions](https://github.com/gradle/actions) from 5 to 6.
- [Release notes](https://github.com/gradle/actions/releases)
- [Commits](gradle/actions@v5...v6)

---
updated-dependencies:
- dependency-name: gradle/actions
  dependency-version: '6'
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

Author: dependabot[bot]

.github/workflows/ci.yaml

@@ -24,7 +24,7 @@ jobs:
         run: chmod +x gradlew
 
       - name: Set up Gradle cache
-        uses: gradle/actions/setup-gradle@v5
+        uses: gradle/actions/setup-gradle@v6
 
       - name: Build robot code
         run: ./gradlew build --no-daemon --parallel --build-cache
@@ -45,7 +45,7 @@ jobs:
         run: chmod +x gradlew
 
       - name: Set up Gradle cache
-        uses: gradle/actions/setup-gradle@v5
+        uses: gradle/actions/setup-gradle@v6
 
       - name: Run Spotless check
         run: ./gradlew spotlessCheck --no-daemon --parallel --build-cache

.github/workflows/dependency-submission.yml

@@ -23,4 +23,4 @@ jobs:
         distribution: 'temurin'
         java-version: 17
     - name: Generate and submit dependency graph
-      uses: gradle/actions/dependency-submission@v5
+      uses: gradle/actions/dependency-submission@v6