Bump gradle/actions from 3 to 4 (#9)

Bumps [gradle/actions](https://github.com/gradle/actions) from 3 to 4.
- [Release notes](https://github.com/gradle/actions/releases)
- [Commits](gradle/actions@v3...v4)

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

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

.github/workflows/01_test_and_lint.yaml

@@ -14,7 +14,7 @@ jobs:
           java-version: "17"
           distribution: "corretto"
           cache: "gradle"
-      - uses: gradle/actions/setup-gradle@v3
+      - uses: gradle/actions/setup-gradle@v4
       - run: ./gradlew test lint checkstyleMain checkstyleTest
       - name: Publish Test Report
         uses: mikepenz/action-junit-report@v4

.github/workflows/02_publish_docs.yaml

@@ -21,7 +21,7 @@ jobs:
           java-version: "17"
           distribution: "corretto"
           cache: "gradle"
-      - uses: gradle/actions/setup-gradle@v3
+      - uses: gradle/actions/setup-gradle@v4
       - run: ./scripts/build_docs.sh ./build/docsite
       - name: Deploy to GitHub Pages
         uses: peaceiris/actions-gh-pages@v4

.github/workflows/03_publish_to_maven.yaml

@@ -22,7 +22,7 @@ jobs:
           java-version: "17"
           distribution: "corretto"
           cache: "gradle"
-      - uses: gradle/actions/setup-gradle@v3
+      - uses: gradle/actions/setup-gradle@v4
       - name: Publish to Sonatype (legacy)
         run: |-
           pwd