Bump coursier/setup-action from 2 to 3 (#125)

Bumps [coursier/setup-action](https://github.com/coursier/setup-action) from 2 to 3.
- [Release notes](https://github.com/coursier/setup-action/releases)
- [Commits](coursier/setup-action@v2...v3)

---
updated-dependencies:
- dependency-name: coursier/setup-action
  dependency-version: '3'
  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.yml

@@ -16,7 +16,7 @@ jobs:
         fetch-depth: 0
         submodules: true
     - uses: coursier/cache-action@v8
-    - uses: coursier/setup-action@v2
+    - uses: coursier/setup-action@v3
       with:
         jvm: 21
     - name: Test
@@ -32,7 +32,7 @@ jobs:
         fetch-depth: 0
         submodules: true
     - uses: coursier/cache-action@v8
-    - uses: coursier/setup-action@v2
+    - uses: coursier/setup-action@v3
       with:
         jvm: 21
     - name: MiMA
@@ -47,7 +47,7 @@ jobs:
         fetch-depth: 0
         submodules: true
     - uses: coursier/cache-action@v8
-    - uses: coursier/setup-action@v2
+    - uses: coursier/setup-action@v3
       with:
         jvm: 21
     - run: .github/scripts/gpg-setup.sh