Update codecov/codecov-action action to v3

Author: renovate[bot]

.github/workflows/codecov.yml

@@ -14,7 +14,7 @@ jobs:
           ruby-version: 2.7
       - run: bundle update
       - run: bundle exec rake
-      - uses: codecov/codecov-action@v1
+      - uses: codecov/codecov-action@v3
         with:
           file: coverage/.resultset.json
           fail_ci_if_error: true