refactor: actions

Author: karamaru-alpha

.github/workflows/ci.yml

@@ -4,21 +4,27 @@ on:
     branches:
       - main
   pull_request:
+    paths:
+      - '**.go'
+      - go.mod
+      - go.sum
+      - .github/workflows/ci.yml
 
-permissions:
-  contents: read
+concurrency:
+  group: ${{ github.workflow }}-${{ github.ref }}
+  cancel-in-progress: true
 
 jobs:
   ci:
     name: test and lint
     runs-on: ubuntu-latest
     steps:
       - name: Checkout
-        uses: actions/checkout@v4
-      - name: Set up Go
+        uses: actions/checkout@v4.2.2
+      - name: Setup Go
         uses: actions/setup-go@v5
         with:
-          go-version: stable
+          go-version-file: 'go.mod'
       - name: Run test
         run: go test -v ./...
       - name: Run golangci-lint