Bump codecov/codecov-action from 3 to 4

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>

.github/workflows/continuous-integration.yml

@@ -223,7 +223,7 @@ jobs:
         env:
           ENV: testing
 
-      - uses: codecov/codecov-action@v3
+      - uses: codecov/codecov-action@v4
         with:
           files: ./build/coverage/clover.xml,./build/coverage/crap4j.xml,./build/coverage/report.txt,./build/junit.xml
           fail_ci_if_error: false # optional (default = false)

.github/workflows/test-pull-requests.yml

@@ -44,7 +44,7 @@ jobs:
         env:
           ENV: testing
 
-      - uses: codecov/codecov-action@v3
+      - uses: codecov/codecov-action@v4
         with:
           files: ./build/coverage/clover.xml,./build/coverage/crap4j.xml,./build/coverage/report.txt,./build/junit.xml