[CI] Bump gradle/actions from 5 to 6 in the ci-actions group

Bumps the ci-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: ci-actions
...

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

Author: dependabot[bot]

.github/workflows/codeql.yml

@@ -32,7 +32,7 @@ jobs:
       with:
         distribution: 'temurin'
         java-version: 21
-    - uses: gradle/actions/setup-gradle@v5
+    - uses: gradle/actions/setup-gradle@v6
 
     # Initializes the CodeQL tools for scanning.
     - name: Initialize CodeQL

.github/workflows/release.yml

@@ -17,7 +17,7 @@ jobs:
         with:
           distribution: 'temurin'
           java-version: 21
-      - uses: gradle/actions/setup-gradle@v5
+      - uses: gradle/actions/setup-gradle@v6
 
       - name: Prepare keystore
         run: echo ${{ secrets.android_keystore_base64 }} | base64 -d >$GITHUB_WORKSPACE/keystore.jks

.github/workflows/test-dev.yml

@@ -12,7 +12,7 @@ jobs:
         with:
           distribution: 'temurin'
           java-version: 21
-      - uses: gradle/actions/setup-gradle@v5
+      - uses: gradle/actions/setup-gradle@v6
 
       - name: Check
         run: ./gradlew app:lintStandardDebug app:testStandardDebugUnitTest
@@ -40,7 +40,7 @@ jobs:
         with:
           distribution: 'temurin'
           java-version: 21
-      - uses: gradle/actions/setup-gradle@v5
+      - uses: gradle/actions/setup-gradle@v6
 
       - name: Enable KVM group perms
         run: |