Increase timeout of build_artifact_csharp_ios to 45 mins
diff --git a/tools/run_tests/artifacts/artifact_targets.py b/tools/run_tests/artifacts/artifact_targets.py
index 8d15b77..a8f9013 100644
--- a/tools/run_tests/artifacts/artifact_targets.py
+++ b/tools/run_tests/artifacts/artifact_targets.py
@@ -233,6 +233,7 @@
             return create_jobspec(
                 self.name,
                 ['tools/run_tests/artifacts/build_artifact_csharp_ios.sh'],
+                timeout_seconds=45 * 60,
                 use_workspace=True)
         elif self.platform == 'windows':
             return create_jobspec(self.name, [