chore(deps): update codecov/codecov-action action to v2 (openapi-generators#455)

Co-authored-by: Renovate Bot <[email protected]>

Author: renovate[bot]

.github/workflows/checks.yml

@@ -43,6 +43,6 @@ jobs:
     - name: Generate E2E Coverage
       run: poetry run coverage xml -o e2e-coverage.xml
 
-    - uses: codecov/codecov-action@v1
+    - uses: codecov/codecov-action@v2
       with:
         files: ./coverage.xml,./e2e-coverage.xml