CI: checkout before setup-go to make caching work

Signed-off-by: Masanori Yoshida <[email protected]>

.github/workflows/test.yml

@@ -12,13 +12,13 @@ jobs:
     name: relayer-build
     runs-on: ubuntu-22.04
     steps:
+      - name: Check out code into the Go module directory
+        uses: actions/checkout@v4
       - name: Set up Go 1.21
         uses: actions/setup-go@v5
         with:
           go-version: 1.21
         id: go
-      - name: Check out code into the Go module directory
-        uses: actions/checkout@v4
       - uses: actions/cache@v4
         with:
           path: |