Bump gradle/actions from 5 to 6

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>

Author: dependabot[bot]

.github/workflows/build.yml

@@ -10,7 +10,7 @@ jobs:
         with:
           persist-credentials: false
       - name: Set up Gradle
-        uses: gradle/actions/setup-gradle@v5
+        uses: gradle/actions/setup-gradle@v6
       - name: Set up JDK 21
         uses: actions/setup-java@v5
         with:

.github/workflows/publish.yml

@@ -17,7 +17,7 @@ jobs:
         with:
           persist-credentials: false
       - name: Set up Gradle
-        uses: gradle/actions/setup-gradle@0723195856401067f7a2779048b490ace7a47d7c # 5.0.2
+        uses: gradle/actions/setup-gradle@39e147cb9de83bb9910b8ef8bd7fff0ee20fcd6f # 6.0.1
         with:
           cache-disabled: true
       - name: Set up JDK 21