Fix pypi target project mobile-release.yml (#44449)

Fixing a mismatch between the pypi target project and the project
specified in mobile/pyproject.toml

Signed-off-by: Jonathan Wu <jtwu@google.com>

Author: citrus7

.github/workflows/mobile-release.yml

@@ -229,7 +229,7 @@ jobs:
       fail-fast: false
     environment:
       name: pypi
-      url: https://pypi.org/p/envoy-mobile
+      url: https://pypi.org/p/envoy-mobile-client
     steps:
     - uses: actions/download-artifact@v4
       with: