update action to take effect on new tags only

.github/workflows/go.yml

@@ -1,13 +1,12 @@
 # This workflow will build a golang project
 # For more information see: https://docs.github.com/en/actions/automating-builds-and-tests/building-and-testing-go
 
-name: Go
+name: Release with goreleaser
 
 on:
   push:
-    branches: [ "main" ]
-  pull_request:
-    branches: [ "main" ]
+    tags:
+      - v*
 
 jobs:
 
@@ -21,7 +20,7 @@ jobs:
           fetch-tags: 1
           fetch-depth: 1
       - name: Release with goreleaser
-        uses: goreleaser/goreleaser-action@v5.0.0
+        uses: goreleaser/goreleaser-action@v5
         env:
           GITHUB_TOKEN: ${{ github.token }}
         with: