add coverage in github actions

Author: soywod

.github/workflows/delivery.yml

@@ -27,3 +27,5 @@ jobs:
       run: yarn publish --access public
       env:
         NODE_AUTH_TOKEN: ${{ secrets.NPM_TOKEN }}
+    - name: Send coverage data
+      uses: codecov/codecov-action@v2

.github/workflows/integration.yml

@@ -21,3 +21,5 @@ jobs:
       run: yarn test --ci
     - name: Build
       run: yarn build
+    - name: Send coverage data
+      uses: codecov/codecov-action@v2