update: goとリリース手順の更新

.github/workflows/release.yml

@@ -15,17 +15,18 @@ env:
 jobs:
   build:
     runs-on: ubuntu-latest
-
-    container:
-      image: alpine:latest
-
     steps:
-      - name: Add packages
-        run: apk add git nodejs
-
-      - name: Checkout repository
+      - name: Checkout
         uses: actions/checkout@v4
 
+      - name: Setup Go
+        uses: actions/setup-go@v5
+        with:
+          go-version-file: go.mod
+
+      - name: Download dependencies
+        run: go mod download
+
       - name: Run Go release script
         run: |
           chmod +x ./.devcontainer/initialize.sh