fix(proto): Make UPD domain field public + ensure consistency across API pkgs

internal/proto/controller/api/resources/credentials/v1/credential.proto

@@ -97,7 +97,7 @@ message UsernamePasswordAttributes {
       this: "attributes.username"
       that: "Username"
     }
-  ]; // @gotags: `class:"public"`
+  ]; // @gotags: `class:"sensitive"`
 
   // Input only. The password associated with the credential.
   google.protobuf.StringValue password = 20 [
@@ -127,7 +127,7 @@ message UsernamePasswordDomainAttributes {
       this: "attributes.username"
       that: "Username"
     }
-  ]; // @gotags: `class:"public"`
+  ]; // @gotags: `class:"sensitive"`
 
   // Input only. The password associated with the credential.
   google.protobuf.StringValue password = 20 [
@@ -166,7 +166,7 @@ message SshPrivateKeyAttributes {
       this: "attributes.username"
       that: "Username"
     }
-  ]; // @gotags: `class:"public"`
+  ]; // @gotags: `class:"sensitive"`
 
   // Input only. The SSH private key associated with the credential.
   google.protobuf.StringValue private_key = 20 [

internal/proto/controller/api/resources/targets/v1/target.proto

@@ -443,7 +443,7 @@ message UsernamePasswordDomainCredential {
   string password = 2; // @gotags: `class:"secret"`
 
   // Domain of the credential
-  string domain = 3; // @gotags: `class:"sensitive"`
+  string domain = 3; // @gotags: `class:"public"`
 }
 
 // The layout of the struct for "credential" field in SessionCredential for a ssh_private_key credential type.