.github/workflows: Build Rocky Linux RPM packages

Run the repository Docker RPM target for pushes, pull requests and
manual workflow dispatches. Upload the binary RPMs, source RPMs and
checksum file as a commit-specific GitHub Actions artifact.

.github/workflows/rpm.yml

@@ -0,0 +1,29 @@
+name: RPM packages
+
+on: [push, pull_request, workflow_dispatch]
+
+permissions:
+  contents: read
+
+jobs:
+  build_rpm:
+    name: Rocky Linux 10.2 x86_64
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@main
+        with:
+          fetch-depth: 0
+
+      - name: Build RPM packages
+        run: make docker-rpm
+
+      - name: Upload RPM packages
+        uses: actions/upload-artifact@main
+        with:
+          name: scst-rpm-rocky-10.2-x86_64-${{ github.sha }}
+          path: |
+            docker-rpmbuilddir/RPMS/**/*.rpm
+            docker-rpmbuilddir/SRPMS/*.rpm
+            docker-rpmbuilddir/SHA256SUMS
+          if-no-files-found: error