ci: switch Yarn to Bun

.github/workflows/ci.yml

@@ -17,21 +17,18 @@ jobs:
 
     steps:
       - uses: actions/checkout@v4
-
-      - uses: actions/cache@v4
-        id: yarn-cache
+      - uses: oven-sh/setup-bun@v1
         with:
-          path: "**/node_modules"
-          key: ${{ runner.os }}-modules-${{ hashFiles('**/yarn.lock') }}
+          bun-version: 1.1.3
 
       - name: Install dependencies
-        run: yarn install
+        run: bun install
 
       - name: Build the library
-        run: yarn prepack
+        run: bun prepack
 
       - name: Run unit tests
-        run: yarn test
+        run: bun test
 
       # Only trigger deploy if previous steps pass and branch is main
       - name: Deploy docs