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] <[email protected]>

.github/workflows/main.yml

@@ -21,7 +21,7 @@ jobs:
         run: sudo apt-get install libplist-dev libimobiledevice-dev libirecovery-1.0-dev
         if: runner.os == 'Linux'
       - name: Gradle build
-        uses: gradle/gradle-build-action@v2
+        uses: gradle/gradle-build-action@v3
         with:
           arguments: build --no-daemon --scan
           dependency-graph: generate-and-submit