🌱 Bump codecov/codecov-action from 3 to 4 (#602)

Bumps [codecov/codecov-action](https://github.com/codecov/codecov-action) from 3 to 4.
- [Release notes](https://github.com/codecov/codecov-action/releases)
- [Changelog](https://github.com/codecov/codecov-action/blob/main/CHANGELOG.md)
- [Commits](codecov/codecov-action@v3...v4)

---
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/e2e.yaml

@@ -36,7 +36,7 @@ jobs:
           name: e2e-artifacts
           path: /tmp/artifacts/
 
-      - uses: codecov/codecov-action@v3
+      - uses: codecov/codecov-action@v4
         with:
           files: e2e-cover.out
           flags: e2e

.github/workflows/unit-test.yaml

@@ -23,7 +23,7 @@ jobs:
       run: |
         make test-unit
 
-    - uses: codecov/codecov-action@v3
+    - uses: codecov/codecov-action@v4
       with:
         files: cover.out
         flags: unit