Bump codecov/codecov-action from 3 to 4 (#15)

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
Co-authored-by: Sergio Peris <[email protected]>

Author: dependabot[bot]

.github/workflows/run-tests.yml

@@ -48,7 +48,7 @@ jobs:
         run: vendor/bin/phpunit --coverage-clover=coverage.xml
 
       - name: Send code coverage report to Codecov.io
-        uses: codecov/codecov-action@v3
+        uses: codecov/codecov-action@v4
 
   windows:
     runs-on: windows-latest
@@ -91,4 +91,4 @@ jobs:
         run: vendor/bin/phpunit --coverage-clover=coverage.xml
 
       - name: Send code coverage report to Codecov.io
-        uses: codecov/codecov-action@v3
+        uses: codecov/codecov-action@v4