Update cmake-pack-sources.yml

Author: julcst

.github/workflows/cmake-pack-sources.yml

@@ -1,6 +1,9 @@
 name: CMake pack sources
 
-on: push
+on:
+  push:
+    tags:
+      - "v*.*.*"
 
 env:
   # Customize the CMake build type here (Release, Debug, RelWithDebInfo, etc.)
@@ -23,7 +26,6 @@ jobs:
 
     - name: Release
       uses: softprops/action-gh-release@v2
-      if: startsWith(github.ref, 'refs/tags/')
       with:
         files: |
           ${{github.workspace}}/build/GLTemplate.zip