Optimize workflow

.github/workflows/main.yaml

@@ -3,38 +3,28 @@ name: ruler_scale_picker
 on: [ push ]
 
 jobs:
-  lint:
+  build:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v4
       - uses: subosito/[email protected]
 
-      - name: Install Dependencies
+      - name: Cache dependencies
+        uses: actions/cache@v3
+        id: cache
+        with:
+          path: |
+            .dart_tool/
+          key: ${{ runner.os }}-dependencies-${{ hashFiles('**/pubspec.lock') }}
+      - name: Install dependencies
         run: flutter pub get
-      - name: Analyze
-        run: flutter analyze
-      - name: Code metrics
-        run: dart run dart_code_metrics:metrics analyze . --set-exit-on-violation-level=warning --disable-sunset-warning
-
-  style_check:
-    runs-on: ubuntu-latest
-    steps:
-      - uses: actions/checkout@v4
-      - uses: subosito/[email protected]
 
-      - name: Install Dependencies
-        run: flutter pub get
-      - name: Format
+      - name: Format code
         run: dart format --set-exit-if-changed .
-
-  test:
-    runs-on: ubuntu-latest
-    steps:
-      - uses: actions/checkout@v4
-      - uses: subosito/[email protected]
-
-      - name: Install Dependencies
-        run: flutter pub get
+      - name: Analyze code
+        run: flutter analyze
+      - name: Run Code metrics
+        run: dart run dart_code_metrics:metrics analyze . --set-exit-on-violation-level=warning --disable-sunset-warning
       - name: Run tests
         run: flutter test
       - name: Upload test artifacts
@@ -55,9 +45,17 @@ jobs:
         run: |
           sudo apt update
           sudo apt install webp
+      - name: Cache dependencies
+        uses: actions/cache@v3
+        id: cache
+        with:
+          path: |
+            .dart_tool/
+          key: ${{ runner.os }}-dependencies-${{ hashFiles('**/pubspec.lock') }}
       - name: Install Dependencies
         run: |
           flutter pub get
           flutter pub global activate pana
+
       - name: Verify Pub Score
         run: ./tool/verify_pub_score.sh