Bump apple-actions/import-codesign-certs from 5 to 6

Bumps [apple-actions/import-codesign-certs](https://github.com/apple-actions/import-codesign-certs) from 5 to 6.
- [Release notes](https://github.com/apple-actions/import-codesign-certs/releases)
- [Commits](https://github.com/apple-actions/import-codesign-certs/compare/v5...v6)

---
updated-dependencies:
- dependency-name: apple-actions/import-codesign-certs
  dependency-version: '6'
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

.github/workflows/build.yml

@@ -833,7 +833,7 @@ jobs:
 
       - name: Import certificate file
         if: github.repository == 'strawberrymusicplayer/strawberry' && github.event.pull_request.head.repo.fork == false
-        uses: apple-actions/import-codesign-certs@v5
+        uses: apple-actions/import-codesign-certs@v6
         with:
           p12-file-base64: ${{ secrets.APPLE_DEVELOPER_ID_CERTIFICATE }}
           p12-password: ${{ secrets.APPLE_DEVELOPER_ID_CERTIFICATE_PASSWORD }}