Bump apple-actions/import-codesign-certs from 6 to 7 (#814)

Bumps [apple-actions/import-codesign-certs](https://github.com/apple-actions/import-codesign-certs) from 6 to 7.
- [Release notes](https://github.com/apple-actions/import-codesign-certs/releases)
- [Commits](https://github.com/apple-actions/import-codesign-certs/compare/v6...v7)

---
updated-dependencies:
- dependency-name: apple-actions/import-codesign-certs
  dependency-version: '7'
  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/build.yml

@@ -220,7 +220,7 @@ jobs:
           codesign -f --entitlements data/macos/entitlements_dev.plist --deep --timestamp --options runtime -s - target/${{ matrix.target }}/release/bundle/osx/Gopher64.app
       - name: Import Codesign Certs
         if: ${{ github.ref_type == 'tag' }}
-        uses: apple-actions/import-codesign-certs@v6
+        uses: apple-actions/import-codesign-certs@v7
         with:
           p12-file-base64: ${{ secrets.APPLE_CERTIFICATES_FILE_BASE64 }}
           p12-password: ${{ secrets.APPLE_CERTIFICATES_PASSWORD }}