Bump codecov/codecov-action from 5.5.2 to 6.0.0 (#1231)

Bumps [codecov/codecov-action](https://github.com/codecov/codecov-action) from 5.5.2 to 6.0.0.
- [Release notes](https://github.com/codecov/codecov-action/releases)
- [Changelog](https://github.com/codecov/codecov-action/blob/main/CHANGELOG.md)
- [Commits](codecov/codecov-action@v5.5.2...v6.0.0)

---
updated-dependencies:
- dependency-name: codecov/codecov-action
  dependency-version: 6.0.0
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

Author: dependabot[bot]

.github/workflows/lint-and-test.yml

@@ -125,7 +125,7 @@ jobs:
               run: npm run test:unit -- --collectCoverage --coverageDirectory=build
 
             - name: Upload code coverage report
-              uses: codecov/codecov-action@v5.5.2
+              uses: codecov/codecov-action@v6.0.0
               with:
                   files: build/lcov.info
                   flags: js
@@ -231,15 +231,15 @@ jobs:
               if: ${{ matrix.coverage }}
 
             - name: Upload code coverage report
-              uses: codecov/codecov-action@v5.5.2
+              uses: codecov/codecov-action@v6.0.0
               with:
                   files: coverage.xml
                   flags: default
                   token: ${{ secrets.CODECOV_TOKEN }}
               if: ${{ matrix.coverage }}
 
             - name: Upload code coverage report
-              uses: codecov/codecov-action@v5.5.2
+              uses: codecov/codecov-action@v6.0.0
               with:
                   files: coverage-multisite.xml
                   flags: multisite