Bump crazy-max/ghaction-import-gpg from 5 to 6 (#31)

Bumps [crazy-max/ghaction-import-gpg](https://github.com/crazy-max/ghaction-import-gpg) from 5 to 6.
- [Release notes](https://github.com/crazy-max/ghaction-import-gpg/releases)
- [Commits](crazy-max/ghaction-import-gpg@v5...v6)

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

Author: dependabot[bot]

.github/workflows/release.yml

@@ -24,7 +24,7 @@ jobs:
           p12-file-base64: ${{ secrets.CODESIGN_CERT_P12 }}
           p12-password: ${{ secrets.CODESIGN_CERT_P12_PWD }}
 
-      - uses: crazy-max/ghaction-import-gpg@v5
+      - uses: crazy-max/ghaction-import-gpg@v6
         with:
           fingerprint: "${{ secrets.GPG_FINGERPRINT }}"
           gpg_private_key: ${{ secrets.GPG_PRIVATE_KEY }}