ci: upgrade to codecov github actions v2

Author: jsamr

.github/workflows/ci.yml

@@ -37,7 +37,7 @@ jobs:
       name: Build
     - run: yarn build:tools
       name: Build Tooling Libraries
-    - uses: codecov/codecov-action@v1
+    - uses: codecov/codecov-action@v2
       with:
         file: ./packages/render-html/coverage/clover.xml # optional
         fail_ci_if_error: true # optional (default = false)