Bump codecov/codecov-action from 4.3.1 to 4.4.0 (nginx#1963)

Bumps [codecov/codecov-action](https://github.com/codecov/codecov-action) from 4.3.1 to 4.4.0.
- [Release notes](https://github.com/codecov/codecov-action/releases)
- [Changelog](https://github.com/codecov/codecov-action/blob/main/CHANGELOG.md)
- [Commits](codecov/codecov-action@5ecb98a...6d79887)

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

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

.github/workflows/ci.yml

@@ -73,7 +73,7 @@ jobs:
         run: make unit-test
 
       - name: Upload coverage reports to Codecov
-        uses: codecov/codecov-action@5ecb98a3c6b747ed38dc09f787459979aebb39be # v4.3.1
+        uses: codecov/codecov-action@6d798873df2b1b8e5846dba6fb86631229fbcb17 # v4.4.0
         with:
           token: ${{ secrets.CODECOV_TOKEN }}
 
@@ -101,7 +101,7 @@ jobs:
         run: npm --prefix ${{ github.workspace }}/internal/mode/static/nginx/modules install-ci-test
 
       - name: Upload coverage reports to Codecov
-        uses: codecov/codecov-action@5ecb98a3c6b747ed38dc09f787459979aebb39be # v4.3.1
+        uses: codecov/codecov-action@6d798873df2b1b8e5846dba6fb86631229fbcb17 # v4.4.0
         with:
           token: ${{ secrets.CODECOV_TOKEN }}