⬆️ Bump gradle/actions from 4.4.2 to 4.4.3

Bumps [gradle/actions](https://github.com/gradle/actions) from 4.4.2 to 4.4.3.
- [Release notes](https://github.com/gradle/actions/releases)
- [Commits](gradle/actions@v4.4.2...v4.4.3)

---
updated-dependencies:
- dependency-name: gradle/actions
  dependency-version: 4.4.3
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

.github/workflows/backend.yml

@@ -28,7 +28,7 @@ jobs:
           java-version: 21
           distribution: corretto
       - name: Set up Gradle
-        uses: gradle/actions/[email protected].2 # https://github.com/marketplace/actions/build-with-gradle
+        uses: gradle/actions/[email protected].3 # https://github.com/marketplace/actions/build-with-gradle
         with:
           add-job-summary-as-pr-comment: on-failure
       - name: Execute Gradle build