Bump crazy-max/ghaction-import-gpg from 4.4.0 to 5.1.0 (#225)

Bumps [crazy-max/ghaction-import-gpg](https://github.com/crazy-max/ghaction-import-gpg) from 4.4.0 to 5.1.0.
- [Release notes](https://github.com/crazy-max/ghaction-import-gpg/releases)
- [Changelog](https://github.com/crazy-max/ghaction-import-gpg/blob/master/CHANGELOG.md)
- [Commits](crazy-max/ghaction-import-gpg@v4.4.0...v5.1.0)

---
updated-dependencies:
- dependency-name: crazy-max/ghaction-import-gpg
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

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

Author: dependabot[bot]

.github/workflows/release.yml

@@ -37,7 +37,7 @@ jobs:
         cache: maven
     - name: Import GPG key
       id: import_gpg
-      uses: crazy-max/ghaction-import-gpg@v4.4.0
+      uses: crazy-max/ghaction-import-gpg@v5.1.0
       with:
         gpg-private-key: ${{ secrets.GPG_SIGNING_KEY }}
         passphrase: ${{ secrets.GPG_PASSPHRASE }}