chore: optimize github action

.github/workflows/go.yml

@@ -4,9 +4,21 @@ on:
   push:
     branches:
       - main
+    paths:
+      - "**.go"
+      - "go.mod"
+      - "go.sum"
   pull_request:
     branches:
       - main
+    paths:
+      - "**.go"
+      - "go.mod"
+      - "go.sum"
+
+concurrency:
+  group: ${{ github.workflow }}-${{ github.ref }}
+  cancel-in-progress: true
 
 jobs:
   test:
@@ -16,9 +28,7 @@ jobs:
       - uses: actions/checkout@v3
       - uses: actions/setup-go@v4
         with:
-          go-version: "1.20"
-          check-latest: true
-          cache: true
+          go-version: "stable"
       - run: go test -race -coverprofile=coverage.out ./...
       - uses: codecov/codecov-action@v3
         with:
@@ -33,9 +43,7 @@ jobs:
       - uses: actions/checkout@v3
       - uses: actions/setup-go@v4
         with:
-          go-version: "1.20"
-          check-latest: true
-          cache: true
+          go-version: "stable"
       - run: go build ./cmd/dot
   golangci-lint:
     name: golangci-lint
@@ -44,9 +52,7 @@ jobs:
       - uses: actions/checkout@v3
       - uses: actions/setup-go@v4
         with:
-          go-version: "1.20"
-          check-latest: true
-          cache: true
+          go-version: "stable"
       - uses: golangci/golangci-lint-action@v3
         with:
           version: latest