Bump codecov action to v3

Signed-off-by: William Desportes <williamdes@wdes.fr>

Author: williamdes

.github/workflows/tests.yml

@@ -56,7 +56,7 @@ jobs:
             - name: Run php tests
               run: composer run phpunit
             - name: Send coverage
-              uses: codecov/codecov-action@v1
+              uses: codecov/codecov-action@v3
             - name: Send coverage to Scrutinizer
               uses: sudo-bot/action-scrutinizer@latest
               # Do not run this step on forked versions of the main repository (example: contributor forks)