⬆️ Bump gradle/wrapper-validation-action from 2.0.0 to 2.1.1 (#50)

Bumps [gradle/wrapper-validation-action](https://github.com/gradle/wrapper-validation-action) from 2.0.0 to 2.1.1.
- [Release notes](https://github.com/gradle/wrapper-validation-action/releases)
- [Commits](gradle/wrapper-validation-action@v2.0.0...v2.1.1)

---
updated-dependencies:
- dependency-name: gradle/wrapper-validation-action
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

.github/workflows/backend.yml

@@ -28,7 +28,7 @@ jobs:
           java-version: 17
           distribution: corretto
       - name: Validate Gradle Wrapper
-        uses: gradle/wrapper-validation-action@v2.0.0 # https://github.com/marketplace/actions/gradle-wrapper-validation
+        uses: gradle/wrapper-validation-action@v2.1.1 # https://github.com/marketplace/actions/gradle-wrapper-validation
       - name: Set up Gradle
         uses: gradle/actions/setup-gradle@v3.0.0 # https://github.com/marketplace/actions/build-with-gradle
         with: