ref: upgrade gcpr-google-iam-v1 (#66700)

apparently there are more legacy namespace packages I missed

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requirements-dev-frozen.txt

@@ -68,7 +68,7 @@ google-cloud-storage==2.14.0
 google-crc32c==1.5.0
 google-resumable-media==2.7.0
 googleapis-common-protos==1.63.0
-grpc-google-iam-v1==0.12.4
+grpc-google-iam-v1==0.13.0
 grpcio==1.60.1
 grpcio-status==1.60.1
 h11==0.13.0

requirements-frozen.txt

@@ -54,7 +54,7 @@ google-cloud-storage==2.14.0
 google-crc32c==1.5.0
 google-resumable-media==2.7.0
 googleapis-common-protos==1.63.0
-grpc-google-iam-v1==0.12.4
+grpc-google-iam-v1==0.13.0
 grpcio==1.60.1
 grpcio-status==1.60.1
 h11==0.14.0