Improve CI

.github/workflows/ci.yml

@@ -1,22 +1,29 @@
 name: CI
 on:
   push:
-    branches: [main]
+    branches:
+      - main
   pull_request:
-    branches: [main]
+    branches:
+      - main
+concurrency:
+  group: ${{ github.ref }}
+  cancel-in-progress: true
 jobs:
-  build:
+  main:
     runs-on: macOS-latest
     timeout-minutes: 10
     steps:
-      - uses: actions/checkout@v2
-      - uses: actions/setup-node@v2
+      - name: Checkout commit
+        uses: actions/checkout@v2
+      - name: Prepare Node.js
+        uses: actions/setup-node@v2
         with:
           node-version: "14"
           cache: "yarn"
-      - name: Install dependencies
-        run: yarn
-      - name: Run linting
+      - name: Install dependencies and build
+        run: yarn install
+      - name: Lint files
         run: yarn lint
       - name: Run tests
         run: yarn test