Bump apache/maven-gh-actions-shared from 3 to 4

Bumps [apache/maven-gh-actions-shared](https://github.com/apache/maven-gh-actions-shared) from 3 to 4. - [Commits](apache/maven-gh-actions-shared@v3...v4) --- updated-dependencies: - dependency-name: apache/maven-gh-actions-shared dependency-type: direct:production update-type: version-update:semver-major ... Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

.github/workflows/maven.yml

@@ -22,7 +22,7 @@ on: [push, pull_request]
 jobs:
  build:
  name: Verify
- uses: apache/maven-gh-actions-shared/.github/workflows/maven-verify.yml@v3
+ uses: apache/maven-gh-actions-shared/.github/workflows/maven-verify.yml@v4
  with:
  ff-maven: "3.9.6" # Maven version for fail-fast-build
  maven-matrix: '[ "3.6.3", "3.9.6", "4.0.0-alpha-12" ]' # Maven versions matrix for verify builds