feat: updated SystemIdntifier to have type instead of region and related api messages

feat: updated SystemIdntifier to have type instead of region and related api messages

Author: NamanBalaji

proto/kms/api/cmk/registry/auth/v1/auth_grpc.pb.go

@@ -65,7 +65,7 @@ message ListSystemsResponse {
 }
 
 message DeleteSystemRequest {
-  string external_id = 1;
+  SystemIdentifier system_identifier = 1;
   string region = 2;
 }
 
@@ -74,7 +74,7 @@ message DeleteSystemResponse {
 }
 
 message UpdateSystemL1KeyClaimRequest {
-  string external_id = 1;
+  SystemIdentifier system_identifier = 1;
   string region = 2;
   string tenant_id = 3;
   bool l1key_claim = 4;
@@ -102,7 +102,7 @@ message LinkSystemsToTenantResponse {
 }
 
 message UpdateSystemStatusRequest {
-  string external_id = 1;
+  SystemIdentifier system_identifier = 1;
   string region = 2;
   kms.api.cmk.types.v1.Status status = 3;
 }
@@ -113,11 +113,11 @@ message UpdateSystemStatusResponse {
 
 message SystemIdentifier {
   string external_id = 1;
-  string region = 2;
+  string type = 2;
 }
 
 message SetSystemLabelsRequest {
-  string external_id = 1;
+  SystemIdentifier system_identifier = 1;
   string region = 2;
   map<string, string> labels = 3;
 }
@@ -127,7 +127,7 @@ message SetSystemLabelsResponse {
 }
 
 message RemoveSystemLabelsRequest {
-  string external_id = 1;
+  SystemIdentifier system_identifier = 1;
   string region = 2;
   repeated string label_keys = 3; // Keys of labels to delete
 }