Use Go version from go.mod file

Author: jjngx

.github/workflows/ci.yml

@@ -31,7 +31,10 @@ jobs:
       - name: Setup Golang Environment
         uses: actions/setup-go@f111f3307d8850f501ac008e886eec1fd1932a34 # v5.3.0
         with:
-          go-version: stable
+          go-version-file: go.mod
+
+      - name: Check if go.mod and go.sum are up to date
+        run: go mod tidy && git diff --exit-code -- go.mod go.sum
 
       - name: Run Tests
         run: make test