chore(deps): update all dependencies

Author: renovate-bot

samples/snippets/requirements.txt

@@ -13,7 +13,7 @@ google-crc32c==1.7.1; python_version >= '3.9'
 google-resumable-media==2.7.2
 googleapis-common-protos==1.70.0
 greenlet===3.1.1; python_version == '3.8'
-greenlet==3.2.2; python_version >= '3.9'
+greenlet==3.2.3; python_version >= '3.9'
 grpcio===1.68.0; python_version == '3.8'
 grpcio==1.72.1; python_version >= '3.9'
 grpcio-status===1.68.0; python_version == '3.8'
@@ -28,7 +28,7 @@ markupsafe==3.0.2; python_version >= '3.9'
 packaging==25.0
 proto-plus==1.26.1
 protobuf===5.28.3; python_version == '3.8'
-protobuf==6.30.0; python_version >= '3.9'
+protobuf==6.31.1; python_version >= '3.9'
 pyasn1==0.6.1
 pyasn1-modules==0.4.2
 pyparsing===3.1.4; python_version == '3.8'