chore(deps): bump codecov/codecov-action from 5 to 6

Bumps [codecov/codecov-action](https://github.com/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
...

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

Author: dependabot[bot]

.github/workflows/runtime-interface-client_merge_to_main.yml

@@ -91,6 +91,6 @@ jobs:
 
     - name: Upload coverage to Codecov
       if: env.CODECOV_TOKEN != null
-      uses: codecov/codecov-action@v5
+      uses: codecov/codecov-action@v6
       env:
         CODECOV_TOKEN: ${{ secrets.CODECOV_TOKEN }}

.github/workflows/runtime-interface-client_pr.yml

@@ -90,6 +90,6 @@ jobs:
 
     - name: Upload coverage to Codecov
       if: env.CODECOV_TOKEN != null
-      uses: codecov/codecov-action@v5
+      uses: codecov/codecov-action@v6
       env:
         CODECOV_TOKEN: ${{ secrets.CODECOV_TOKEN }}