chore: optimize CI (#18)

Author: moul

.github/workflows/go.yml

@@ -1,11 +1,11 @@
-# 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
 
 on:
   push:
     branches: [ "main" ]
+    paths:
+      - '**.go' 
+      - '**go.sum'
   pull_request:
     branches: [ "main" ]