publish on tag only

.github/workflows/build.yml

@@ -44,6 +44,7 @@ jobs:
         path: ${{ steps.merlin.outputs.rpm_dir_path }}
 
   publish-rpms:
+    if: ${{ startsWith(github.ref, 'refs/tags/') }}
     runs-on: ubuntu-latest
     needs:
       - build-naemon
@@ -55,5 +56,4 @@ jobs:
     - uses: ncipollo/release-action@v1
       with:
         artifacts: 'x86_64/*'
-        commit: ${{ github.sha }}