Merge pull request #36 from cpp-lln-lab/dependabot/github_actions/codecov/codecov-action-3

Bump codecov/codecov-action from 1 to 3

Author: Remi-Gau

.github/workflows/run_tests_matlab.yml

@@ -49,7 +49,7 @@ jobs:
           bash <(curl -s https://codecov.io/bash)
 
       - name: Code coverage
-        uses: codecov/codecov-action@v1
+        uses: codecov/codecov-action@v3
         with:
           file: coverage.xml # optional
           flags: unittests # optional