chore: bump google-auth lower bound to 2.47.0 in GenAI and Vertex SDKs

PiperOrigin-RevId: 853538240

Author: speedstorm1

google/genai/live.py

@@ -1036,7 +1036,7 @@ async def connect(
           if requests is None:
             raise ValueError('The requests module is required to refresh google-auth credentials. Please install with `pip install google-auth[requests]`')
           auth_req = requests.Request()  # type: ignore
-          creds.refresh(auth_req)
+          creds.refresh(auth_req)  # type: ignore[no-untyped-call]
         bearer_token = creds.token
 
         original_headers = self._api_client._http_options.headers

pyproject.toml

@@ -26,7 +26,7 @@ classifiers = [
 ]
 dependencies = [
     "anyio>=4.8.0, <5.0.0",
-    "google-auth[requests]>=2.46.0, <3.0.0",
+    "google-auth[requests]>=2.47.0, <3.0.0",
     "httpx>=0.28.1, <1.0.0",
     "pydantic>=2.9.0, <3.0.0",
     "requests>=2.28.1, <3.0.0",

requirements.txt

@@ -7,7 +7,7 @@ charset-normalizer==3.4.0
 coverage==7.6.9
 distro==1.9.0
 httpx==0.28.1
-google-auth==2.45.0
+google-auth==2.47.0
 idna==3.10
 iniconfig==2.0.0
 packaging==24.2