fix: CI runs only once - on release publish, not on tag push

Removed duplicate CI triggers:
- Before: Ran on push to branches AND on tag push (doubled)
- After: Runs on push to branches OR when release is published

This prevents wasted CI resources and confusion.

.gitea/workflows/ci.yml

@@ -6,9 +6,10 @@ name: CI/CD
 on:
   push:
     branches: [main, master, develop]
-    tags: ['v*']
   pull_request:
     branches: [main, master]
+  release:
+    types: [published]
 
 jobs:
   test:
@@ -63,7 +64,7 @@ jobs:
     name: Build & Release
     runs-on: ubuntu-latest
     needs: [test, lint]
-    if: startsWith(github.ref, 'refs/tags/')
+    if: github.event_name == 'release'
     container:
       image: golang:1.24-bookworm
     steps: