Bump gradle/gradle-build-action from 3.3.2 to 3.4.0

Bumps [gradle/gradle-build-action](https://github.com/gradle/gradle-build-action) from 3.3.2 to 3.4.0.
- [Release notes](https://github.com/gradle/gradle-build-action/releases)
- [Commits](gradle/gradle-build-action@4c39dd8...db35f23)

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

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

.github/workflows/ci.yml

@@ -12,7 +12,7 @@ jobs:
       with:
         distribution: 'temurin'
         java-version: 8
-    - uses: gradle/gradle-build-action@4c39dd82cd5e1ec7c6fa0173bb41b4b6bb3b86ff # renovate: tag=v2
+    - uses: gradle/gradle-build-action@db35f2304698ac6ff98958322dfd3db0a5da9fdf # renovate: tag=v2
       name: gradle
       with:
         arguments: check dokkaHtml dokkaJavadoc