chore(deps): bump crazy-max/ghaction-import-gpg from 4 to 5 (#360)

Bumps [crazy-max/ghaction-import-gpg](https://github.com/crazy-max/ghaction-import-gpg) from 4 to 5.
- [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](https://github.com/crazy-max/ghaction-import-gpg/compare/v4...v5)

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

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

.github/workflows/ci.yml

@@ -120,7 +120,7 @@ jobs:
       -
         name: Import GPG key
         id: import_gpg
-        uses: crazy-max/ghaction-import-gpg@v4
+        uses: crazy-max/ghaction-import-gpg@v5
         with:
           gpg_private_key: ${{ secrets.GPG_PRIVATE_KEY_TEST }}
           passphrase: ${{ secrets.PASSPHRASE_TEST }}