Bump gradle/gradle-build-action from 2 to 3

Bumps [gradle/gradle-build-action](https://github.com/gradle/gradle-build-action) from 2 to 3.
- [Release notes](https://github.com/gradle/gradle-build-action/releases)
- [Commits](gradle/gradle-build-action@v2...v3)

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

Signed-off-by: dependabot[bot] <support@github.com>

.github/workflows/merge.yml

@@ -24,7 +24,7 @@ jobs:
       # Only for a merge into this repo - not a fork, and just for the main branch
       - name: Build (Publish snapshots to maven central)
         if: ${{ github.ref == 'refs/heads/main'}}
-        uses: gradle/gradle-build-action@v2
+        uses: gradle/gradle-build-action@v3
         with:
           cache-read-only: false
           arguments: build publish
@@ -38,7 +38,7 @@ jobs:
       # In other cases just build but don't publish
       - name: Build (no snapshots)
         if: ${{ github.ref != 'refs/heads/main' }}
-        uses: gradle/gradle-build-action@v2
+        uses: gradle/gradle-build-action@v3
         with:
           cache-read-only: false
           arguments: build

.github/workflows/release.yml

@@ -27,7 +27,7 @@ jobs:
           java-version: '17'
       - uses: gradle/wrapper-validation-action@v1
       - name: Build with Gradle & Release artifacts
-        uses: gradle/gradle-build-action@v2
+        uses: gradle/gradle-build-action@v3
         with:
           cache-read-only: false
           arguments:  publish        # Import secrets needed for code signing and distribution