chore(deps): update gradle/actions action to v6 (#40)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: LuggaPugga

.github/workflows/gradle.yml

@@ -17,7 +17,7 @@ jobs:
           distribution: 'temurin'
           java-version: 17
       - name: Setup Gradle
-        uses: gradle/actions/setup-gradle@v5
+        uses: gradle/actions/setup-gradle@v6
         with:
           cache-read-only: ${{ github.ref != 'refs/heads/main' }}
       - name: Build and Test with Gradle