Bump codecov/codecov-action from 4 to 5 in the github-actions group (pyodide#5206)

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

Author: dependabot[bot]

.github/workflows/main.yml

@@ -47,7 +47,7 @@ jobs:
               --runtime=host \
               --cov=pyodide \
               src packages/_tests tools/
-      - uses: codecov/codecov-action@v4
+      - uses: codecov/codecov-action@v5
         with:
           fail_ci_if_error: false