Simplify CI workflow

.github/workflows/main.yml

@@ -1,19 +1,23 @@
-name: 💿 Main
+name: CI
 on:
   push:
-    branches:
-      - main
-      - dev
-  pull_request: {}
-
-permissions:
-  actions: write
-  contents: read
+    branches: [main]
+  pull_request_target:
+    types: [opened, synchronize, reopened]
+    paths-ignore:
+      - "**.md"
+  pull_request:
+    types: [opened, synchronize, reopened]
+    paths:
+      - .github/workflows/ci.yml
+
+concurrency: ${{ github.workflow }}--${{ github.ref }}
 
 jobs:
-  lint:
-    name: ⬣ ESLint
+  main:
+    name: Node.js LTS
     runs-on: ubuntu-latest
+
     steps:
       - name: Cancel Previous Runs
         uses: styfle/[email protected]
@@ -24,55 +28,22 @@ jobs:
       - name: Setup Node
         uses: actions/setup-node@v4
         with:
-          node-version: 20
+          node-version: lts/*
 
       - name: Install Dependencies
         uses: oven-sh/setup-bun@v2
 
-      - name: Check formatting
+      - name: Install
+        run: bun install
+
+      - name: Format
         run: bun run format:check
 
-      - name: Run Lint
+      - name: Lint
         run: bun run lint
 
-  typecheck:
-    name: ʦ TypeScript
-    runs-on: ubuntu-latest
-    steps:
-      - name: Cancel Previous Runs
-        uses: styfle/[email protected]
-
-      - name: Checkout Repository
-        uses: actions/[email protected]
-
-      - name: Setup Node
-        uses: actions/[email protected]
-        with:
-          node-version: 20
-
-      - name: Install Dependencies
-        uses: oven-sh/setup-bun@v2
-
-      - name: Run Typechecking
+      - name: Typecheck
         run: bun run typecheck
 
-  vitest:
-    name: ⚡ Vitest
-    runs-on: ubuntu-latest
-    steps:
-      - name: Cancel Previous Runs
-        uses: styfle/[email protected]
-
-      - name: Checkout Repository
-        uses: actions/[email protected]
-
-      - name: Setup Node.js
-        uses: actions/[email protected]
-        with:
-          node-version: 20
-
-      - name: Install Dependencies
-        uses: oven-sh/setup-bun@v2
-
-      - name: Run Vitest
+      - name: Test
         run: bun run test