ci: Bump codecov/codecov-action from 4.5.0 to 5.4.2

Bumps [codecov/codecov-action](https://github.com/codecov/codecov-action) from 4.5.0 to 5.4.2.
- [Release notes](https://github.com/codecov/codecov-action/releases)
- [Changelog](https://github.com/codecov/codecov-action/blob/main/CHANGELOG.md)
- [Commits](codecov/codecov-action@v4.5.0...v5.4.2)

---
updated-dependencies:
- dependency-name: codecov/codecov-action
  dependency-version: 5.4.2
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

.github/workflows/build.yml

@@ -56,7 +56,7 @@ jobs:
         run: npx vitest run --coverage
 
       - name: Upload coverage reports to Codecov
-        uses: codecov/codecov-action@v4.5.0
+        uses: codecov/codecov-action@v5.4.2
         with:
           token: ${{ secrets.CODECOV_TOKEN }}
           slug: onesoft-sudo/sudobot