Bump gradle/gradle-build-action from 2.8.0 to 2.9.0 (#27)

Bumps [gradle/gradle-build-action](https://github.com/gradle/gradle-build-action) from 2.8.0 to 2.9.0.
- [Release notes](https://github.com/gradle/gradle-build-action/releases)
- [Commits](gradle/gradle-build-action@v2.8.0...v2.9.0)

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

Author: dependabot[bot]

.github/workflows/ci-build.yml

@@ -12,5 +12,5 @@ jobs:
           distribution: temurin
           java-version: 11
       - name: Set up Gradle
-        uses: gradle/gradle-build-action@v2.8.0
+        uses: gradle/gradle-build-action@v2.9.0
       - run: "./gradlew build"

.github/workflows/release.yml

@@ -15,7 +15,7 @@ jobs:
           distribution: temurin
           java-version: 11
       - name: Set up Gradle
-        uses: gradle/gradle-build-action@v2.8.0
+        uses: gradle/gradle-build-action@v2.9.0
       - run: "./gradlew :publishPlugin --no-configuration-cache"
         env:
           SIGNING_KEY: ${{ secrets.SIGNING_KEY }}