chore: bump google auth lower bound

PiperOrigin-RevId: 852406860

Author: sasha-gitg

pyproject.toml

@@ -26,7 +26,7 @@ classifiers = [
 ]
 dependencies = [
     "anyio>=4.8.0, <5.0.0",
-    "google-auth[requests]>=2.45.0, <3.0.0",
+    "google-auth[requests]>=2.46.0, <3.0.0",
     "httpx>=0.28.1, <1.0.0",
     "pydantic>=2.9.0, <3.0.0",
     "requests>=2.28.1, <3.0.0",