github/build: Set job-wide working directory

Author: paambaati

.github/workflows/build.yml

@@ -68,13 +68,15 @@ jobs:
     needs: [test]
     name: Publish storybook to chromatic 🧪
     runs-on: ubuntu-latest
+    defaults:
+      run:
+        working-directory: example
     steps:
       - uses: actions/checkout@v2
       - uses: actions/setup-node@v1
         with:
           node-version: 12.x
       - run: npx yarn bootstrap
-        working-directory: example
       - uses: chromaui/action@v1
         with:
           token: ${{ secrets.GITHUB_TOKEN }}