chore(ci): Setup yarn cache (#3015)

.github/workflows/cargo.yml

@@ -192,6 +192,7 @@ jobs:
       - uses: actions/setup-node@v2
         with:
           node-version: "16"
+          cache: "yarn"
 
       # We explicitly do this to cache properly.
       - name: Install Rust
@@ -199,10 +200,6 @@ jobs:
         with:
           profile: minimal
 
-      - uses: actions/setup-node@v2
-        with:
-          node-version: 16
-
       - uses: denoland/setup-deno@v1
         if: matrix.crate == 'swc_bundler'
         with:

.github/workflows/integration.yml

@@ -21,6 +21,7 @@ jobs:
       - uses: actions/setup-node@v2
         with:
           node-version: 14
+          cache: "yarn"
 
       - name: Cache
         uses: actions/cache@v2
@@ -54,6 +55,7 @@ jobs:
       - uses: actions/setup-node@v2
         with:
           node-version: 14
+          cache: "yarn"
 
       - name: Cache
         uses: actions/cache@v2