ci: run build action via matrix

.github/workflows/build.yml

@@ -17,8 +17,10 @@ env:
 
 jobs:
   build:
-    name: build
-    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        os: [ubuntu-latest, macos-latest]
+    runs-on: ${{ matrix.os }}
     steps:
       - uses: actions/checkout@v4
       - name: Set up Go
@@ -27,7 +29,3 @@ jobs:
           go-version: ${{ env.GO_VERSION }}
       - name: go build
         run: go build -v ./...
-      - name: golangci-lint
-        uses: golangci/golangci-lint-action@v6
-        with:
-          version: v1.60

.github/workflows/lint.yml

@@ -0,0 +1,27 @@
+name: lint
+
+on:
+  push:
+    branches: ["main"]
+  pull_request:
+    paths:
+      - "go.*"
+      - "**/*.go"
+      - ".github/workflows/*.yml"
+
+env:
+  GO_VERSION: '1.23.0'
+
+jobs:
+  lint:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - name: Set up Go
+        uses: actions/setup-go@v5
+        with:
+          go-version: ${{ env.GO_VERSION }}
+      - name: golangci-lint
+        uses: golangci/golangci-lint-action@v6
+        with:
+          version: v1.60