Only match ISO8601 tags

Author: Lethja

.github/workflows/LuaWatcom.yml

@@ -93,7 +93,7 @@ jobs:
     name: Draft Release
     needs: Watcom
     runs-on: ubuntu-latest
-    if: startsWith(github.ref, 'refs/tags')
+    if: startsWith(github.ref, 'refs/tags') && github.ref_name =~ '^[0-9]{4}-[0-9]{2}-[0-9]{2}$'
 
     permissions:
       contents: write