workflows: Use artifact-attestations for binaries

https://docs.github.com/en/actions/security-for-github-actions/using-artifact-attestations/using-artifact-attestations-to-establish-provenance-for-builds

.github/workflows/matrix_multi_build_and_release_qbt_workflow_files.yml

@@ -18,6 +18,11 @@ on:
         type: choice
         options: ["1", "2", "3", "4", "5", "6", "7", "8", "9"]
 
+permissions:
+  id-token: write
+  contents: read
+  attestations: write
+
 concurrency:
   group: ${{ github.workflow }}-${{ github.ref }}
   cancel-in-progress: true
@@ -147,6 +152,12 @@ jobs:
         if: env.disable_qt5 != 'yes' # When qBittorrent v5 is released, remove this
         run: docker exec -w /root/${{ env.qbt_build_dir }}/completed multiarch mv -f qbittorrent-nox ${{ matrix.qbt_cross_name }}-${{ matrix.qbt_qt_version_name }}qbittorrent-nox
 
+      - name: Generate artifact attestation  ${{ github.event.inputs.distinct_id }}
+        if: env.disable_qt5 != 'yes' # When qBittorrent v5 is released, remove this
+        uses: actions/attest-build-provenance@v1
+        with:
+          subject-path: "${{ env.qbt_build_dir }}/completed/${{ matrix.qbt_cross_name }}-${{ matrix.qbt_qt_version_name }}qbittorrent-nox"
+
       - name: Docker - Release Info ${{ github.event.inputs.distinct_id }}
         if: env.disable_qt5 != 'yes' # When qBittorrent v5 is released, remove this
         run: docker exec -w /root/${{ env.qbt_build_dir }}/release_info multiarch bash -c 'mv *.md *.json '/root/${{ env.qbt_build_dir }}/completed''