deps: replace google-cloud-iam with grpc-google-iam-v1 (#1864)

* deps: remove `google-cloud-iam` dependency * include grpc-google-iam-v1==0.14.2 dependency as we are using directly `google.iam.v1.policy_pb2` --------- Co-authored-by: Tim Sweña (Swast) <swast@google.com>

Author: shobsi

setup.py

@@ -44,9 +44,9 @@
  "google-cloud-bigquery-storage >= 2.30.0, < 3.0.0",
  "google-cloud-functions >=1.12.0",
  "google-cloud-bigquery-connection >=1.12.0",
- "google-cloud-iam >=2.12.1",
  "google-cloud-resource-manager >=1.10.3",
  "google-cloud-storage >=2.0.0",
+ "grpc-google-iam-v1 >= 0.14.2",
  "numpy >=1.24.0",
  "pandas >=1.5.3",
  "pandas-gbq >=0.26.1",

testing/constraints-3.9.txt

@@ -12,6 +12,7 @@ google-cloud-bigquery-connection==1.12.0
 google-cloud-iam==2.12.1
 google-cloud-resource-manager==1.10.3
 google-cloud-storage==2.0.0
+grpc-google-iam-v1==0.14.2
 numpy==1.24.0
 pandas==1.5.3
 pandas-gbq==0.26.1