chore(librarian): onboard grpc-google-iam-v1 (#14664)

Towards googleapis/librarian#762
Fixes googleapis/librarian#1271

Depends on #14663

Author: parthea

.librarian/state.yaml

@@ -4349,6 +4349,17 @@ libraries:
     remove_regex:
       - ^packages/googleapis-common-protos/google/(?:api|cloud|rpc|type)/.*/.*_pb2\.(?:py|pyi)$/
     tag_format: '{id}-v{version}'
+  - id: grpc-google-iam-v1
+    version: 0.14.2
+    last_generated_commit: d300b151a973ce0425ae4ad07b3de957ca31bec6
+    apis:
+      - path: google/iam/v1
+    source_roots:
+      - packages/grpc-google-iam-v1/
+    preserve_regex: []
+    remove_regex:
+      - ^packages/grpc-google-iam-v1/google/.*/.*_pb2\.(?:py|pyi)$/
+    tag_format: '{id}-v{version}'
   - id: google-cloud-biglake
     version: 0.1.1
     last_generated_commit: d300b151a973ce0425ae4ad07b3de957ca31bec6

scripts/configure_state_yaml/packages_to_onboard.yaml

@@ -238,4 +238,5 @@ packages_to_onboard: [
   "google-shopping-type",
   "googleapis-common-protos",
   "grafeas",
+  "grpc-google-iam-v1",
 ]