chore(iam): add config to generate apiv3 (googleapis#11925)

* add config to generate apiv3beta

PiperOrigin-RevId: 741322117

PiperOrigin-RevId: 741322133

Author: quartzmo

.github/.OwlBot.yaml

@@ -140,6 +140,8 @@ deep-remove-regex:
   - /gsuiteaddons/apiv1/
   - /iam/apiv1/
   - /iam/apiv2/
+  - /iam/apiv3/
+  - /iam/apiv3beta/
   - /iam/credentials/apiv1/
   - /iap/apiv1/
   - /identitytoolkit/apiv2/
@@ -276,6 +278,8 @@ deep-remove-regex:
   - /internal/generated/snippets/gsuiteaddons/apiv1/
   - /internal/generated/snippets/iam/apiv1/
   - /internal/generated/snippets/iam/apiv2/
+  - /internal/generated/snippets/iam/apiv3/
+  - /internal/generated/snippets/iam/apiv3beta/
   - /internal/generated/snippets/iam/credentials/apiv1/
   - /internal/generated/snippets/iap/apiv1/
   - /internal/generated/snippets/identitytoolkit/apiv2/
@@ -909,6 +913,10 @@ deep-copy-regex:
     dest: /
   - source: /google/iam/v2/cloud.google.com/go
     dest: /
+  - source: /google/iam/v3/cloud.google.com/go
+    dest: /
+  - source: /google/iam/v3beta/cloud.google.com/go
+    dest: /
   - source: /google/iam/credentials/v1/cloud.google.com/go
     dest: /
   - source: /google/cloud/iap/v1/cloud.google.com/go

internal/postprocessor/config.yaml

@@ -1115,6 +1115,12 @@ service-configs:
   - input-directory: google/iam/v2
     service-config: iam_v2.yaml
     import-path: cloud.google.com/go/iam/apiv2
+  - input-directory: google/iam/v3
+    service-config: iam_v3.yaml
+    import-path: cloud.google.com/go/iam/apiv3
+  - input-directory: google/iam/v3beta
+    service-config: iam_v3beta.yaml
+    import-path: cloud.google.com/go/iam/apiv3beta
   - input-directory: google/identity/accesscontextmanager/v1
     service-config: accesscontextmanager_v1.yaml
     import-path: cloud.google.com/go/accesscontextmanager/apiv1