chore(deps): bump gradle/actions from 5 to 6 in the github-actions group

Bumps the github-actions group with 1 update: [gradle/actions](https://github.com/gradle/actions).


Updates `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
  dependency-group: github-actions
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

.github/workflows/build.yaml

@@ -34,7 +34,7 @@ jobs:
       with:
         setup_only: true
         github_token: ${{ github.token }}
-    - uses: "gradle/actions/wrapper-validation@v5"
+    - uses: "gradle/actions/wrapper-validation@v6"
     - name: "Gradle Build"
       run: "./gradlew build"
   test:
@@ -60,6 +60,6 @@ jobs:
       - uses: "authzed/action-spicedb@v1"
         with:
           version: "latest"
-      - uses: "gradle/actions/wrapper-validation@v5"
+      - uses: "gradle/actions/wrapper-validation@v6"
       - name: "Gradle integrationTest"
         run: "./gradlew integrationTest --info"