Update go.yml

Author: htdcx

.github/workflows/go.yml

@@ -19,7 +19,7 @@ jobs:
     - name: Set up Go
       uses: actions/setup-go@v4
       with:
-        go-version: '1.20'
+        go-version: '1.21.5'
     - name: Install dependencies
       run: |
         go get .