Bump crazy-max/ghaction-import-gpg from 3 to 4

Bumps [crazy-max/ghaction-import-gpg](https://github.com/crazy-max/ghaction-import-gpg) from 3 to 4.
- [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@v3...v4)

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

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

.github/workflows/build.yml

@@ -34,7 +34,7 @@ jobs:
           token: ${{ secrets.OSS_GITHUB_TOKEN }}
 
       - name: Import GPG key
-        uses: crazy-max/ghaction-import-gpg@v3
+        uses: crazy-max/ghaction-import-gpg@v4
         with:
           git-user-signingkey: true
           git-commit-gpgsign: true
@@ -74,7 +74,7 @@ jobs:
 
       - name: Import GPG key
         id: import_gpg
-        uses: crazy-max/ghaction-import-gpg@v3
+        uses: crazy-max/ghaction-import-gpg@v4
         if: needs.context.outputs.shouldPublish == 'true'
         with:
           git-user-signingkey: true