build: Upgrade codecov action to v3

Author: rkunev

.github/workflows/build.yml

@@ -23,6 +23,6 @@ jobs:
  - name: Run tests
  run: bun run test:ci
  - name: Upload coverage to Codecov
- uses: codecov/codecov-action@v2
+ uses: codecov/codecov-action@v3
  with:
  verbose: true