build(deps): bump codecov/codecov-action from 5 to 6 (#851)

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

Author: dependabot[bot]

.github/workflows/master.yaml

@@ -48,4 +48,4 @@ jobs:
       - name: Test
         run: make test-coverage
       - name: Upload Coverage
-        uses: codecov/codecov-action@v5
+        uses: codecov/codecov-action@v6

.github/workflows/test.yaml

@@ -49,7 +49,7 @@ jobs:
         env:
           BOT_GITHUB_ACCESS_TOKEN: ${{ secrets.GITHUB_TOKEN }}
       - name: Upload Coverage
-        uses: codecov/codecov-action@v5
+        uses: codecov/codecov-action@v6
       - name: Build examples
         run: cd examples/custom_commands && make
   lint: