fix: trigger CI workflow on tag pushes for releases

The release job requires a tag ref but the workflow only triggered
on branch pushes, so tag pushes were silently ignored.

Author: nictuku

.github/workflows/ci.yml

@@ -3,6 +3,7 @@ name: CI
 on:
   push:
     branches: [main]
+    tags: ["v*"]
   pull_request:
     branches: [main]