Fixed checkout to repo before executing actions/setup-go@v5 step to a…

…void error that go.mod does not exist

.github/workflows/test.yml

@@ -13,13 +13,13 @@ jobs:
     runs-on: ${{ matrix.os }}
 
     steps:
+      - name: Checkout code
+        uses: actions/checkout@v4
+
       - name: Install Go
         uses: actions/setup-go@v5
         with:
           go-version: ${{ matrix.go-version }}
 
-      - name: Checkout code
-        uses: actions/checkout@v4
-
       - name: Test
         run: go test ./... -v -cover