Bump codecov/codecov-action from 3.1.5 to 4.0.1 (#829)

Bumps [codecov/codecov-action](https://github.com/codecov/codecov-action) from 3.1.5 to 4.0.1.
- [Release notes](https://github.com/codecov/codecov-action/releases)
- [Changelog](https://github.com/codecov/codecov-action/blob/main/CHANGELOG.md)
- [Commits](codecov/codecov-action@4fe8c5f...e0b68c6)

---
updated-dependencies:
- dependency-name: codecov/codecov-action
  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>

.github/workflows/ci.yaml

@@ -72,7 +72,7 @@ jobs:
           ./test.sh
 
       - name: Code coverage
-        uses: codecov/codecov-action@4fe8c5f003fae66aa5ebb77cfd3e7bfbbda0b6b0 # v3.1.5
+        uses: codecov/codecov-action@e0b68c6749509c5f83f984dd99a76a1c1a231044 # v4.0.1
         with:
           file: ${{ env.WORKING_DIR }}/coverage.txt
 
@@ -130,7 +130,7 @@ jobs:
           ./test.sh
 
       - name: Code coverage
-        uses: codecov/codecov-action@4fe8c5f003fae66aa5ebb77cfd3e7bfbbda0b6b0 # v3.1.5
+        uses: codecov/codecov-action@e0b68c6749509c5f83f984dd99a76a1c1a231044 # v4.0.1
         with:
           file: ${{ env.WORKING_DIR }}/coverage.txt