ci: Set build attestation subject name

Author: oSumAtrIX

.github/workflows/release.yml

@@ -61,4 +61,5 @@ jobs:
         if: steps.semantic.outputs.new_release_published == 'true'
         uses: actions/attest-build-provenance@v2
         with:
+          subject-name: 'ReVanced Manager ${{ steps.release.outputs.new_release_git_tag }}'
           subject-path: build/app/outputs/apk/release/revanced-manager-*.apk