Bump codecov/codecov-action from 5 to 6 in the action-updates group

Bumps the action-updates group with 1 update: [codecov/codecov-action](https://github.com/codecov/codecov-action).


Updates `codecov/codecov-action` from 5 to 6
- [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...v6)

---
updated-dependencies:
- dependency-name: codecov/codecov-action
  dependency-version: '6'
  dependency-type: direct:production
  update-type: version-update:semver-major
  dependency-group: action-updates
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

.github/workflows/build.yml

@@ -18,7 +18,7 @@ jobs:
         go-version: ${{ matrix.go-version }}
     - run: rm bench_test.go # >= 1.24 
     - run: go test -coverprofile=coverage.out
-    - uses: codecov/codecov-action@v5
+    - uses: codecov/codecov-action@v6
       with:
         use_oidc: true