CI improvements (#1984)

- Use setup-node's built-in yarn caching
- Add .tsbuildinfo and ts folders to CI caching for faster builds

.github/workflows/node-ci.yml

@@ -18,30 +18,20 @@ jobs:
       - uses: actions/checkout@v2
         name: Checkout
 
-      - uses: actions/setup-node@v1
+      - uses: actions/setup-node@v2
         name: Use Node.js ${{ matrix.node-version }}
         with:
           node-version: ${{ matrix.node-version }}
-
-      - name: Get yarn cache directory
-        id: yarn-cache-get-dir
-        run: echo "::set-output name=dir::$(yarn cache dir)"
-
-      - uses: actions/cache@v2
-        id: yarn-cache
-        name: Restore yarn cache
-        with:
-          path: ${{ steps.yarn-cache-get-dir.outputs.dir }}
-          key: ${{ runner.os }}-node${{ matrix.node-version }}-yarn-${{ hashFiles('**/yarn.lock') }}
-          restore-keys: |
-            ${{ runner.os }}-node${{ matrix.node-version }}-yarn-
+          cache: 'yarn'
 
       - uses: actions/cache@v2
         id: sewing-kit-cache
         name: Restore sewing-kit cache
         with:
           path: |
-            .sewing-kit/
+            .sewing-kit
+            packages/*/build/ts
+            packages/*/build/*.tsbuildinfo
           key: ${{ runner.os }}-node${{ matrix.node-version }}-sewing-kit-v1-${{ github.sha }}
           restore-keys: |
             ${{ runner.os }}-node${{ matrix.node-version }}-sewing-kit-v1-