Bump codecov/codecov-action from 4.4.1 to 4.5.0 (#2155)

Bumps [codecov/codecov-action](https://github.com/codecov/codecov-action) from 4.4.1 to 4.5.0.
- [Release notes](https://github.com/codecov/codecov-action/releases)
- [Changelog](https://github.com/codecov/codecov-action/blob/main/CHANGELOG.md)
- [Commits](codecov/codecov-action@125fc84...e28ff12)

---
updated-dependencies:
- dependency-name: codecov/codecov-action
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

.github/workflows/build.yml

@@ -88,7 +88,7 @@ jobs:
 
  - name: Upload coverage to Codecov
  if: always() && github.event.repository.fork == false
- uses: codecov/codecov-action@125fc84a9a348dbcf27191600683ec096ec9021c # v4.4.1
+ uses: codecov/codecov-action@e28ff129e5465c2c0dcc6f003fc735cb6ae0c673 # v4.5.0
  with:
  files: ./artifacts/coverage-reports/Polly.Core.Tests/Cobertura.xml,./artifacts/coverage-reports/Polly.Specs/Cobertura.xml,./artifacts/coverage-reports/Polly.RateLimiting.Tests/Cobertura.xml,./artifacts/coverage-reports/Polly.Extensions.Tests/Cobertura.xml,./artifacts/coverage-reports/Polly.Testing.Tests/Cobertura.xml,
  flags: ${{ matrix.os_name }}