[OpenAI] [Assistants] update models used in samples/tests (Azure#29222)

### Packages impacted by this PR
@azure/openai-assistants

### Issues associated with this PR
Azure#29147

### Describe the problem that is addressed by this PR
outdated model in examples/tests

### What are the possible designs available to address the problem? If
there are more than one possible design, why was the one in this PR
chosen?


### Are there test cases added in this PR? _(If not, why?)_


### Provide a list of related PRs _(if any)_


### Command used to generate this PR:**_(Applicable only to SDK release
request PRs)_

### Checklists
- [ ] Added impacted package name to the issue description
- [ ] Does this PR needs any fixes in the SDK Generator?** _(If so,
create an Issue in the
[Autorest/typescript](https://github.com/Azure/autorest.typescript)
repository and link it here)_
- [ ] Added a changelog (if necessary)

Author: glharper

sdk/openai/openai-assistants/samples/v1-beta/typescript/src/codeAssistant.ts

@@ -16,7 +16,7 @@ export async function main() {
   const assistantsClient = new AssistantsClient(new OpenAIKeyCredential(nonAzureKey));
 
   const assistantResponse = await assistantsClient.assistants.createAssistant({
-    model: "gpt-4-1106-preview",
+    model: "gpt-4-0125-Preview",
     name: "JS Math Tutor",
     instructions: "You are a personal math tutor. Write and run code to answer math questions.",
     tools: [{ type: "code_interpreter" }],

sdk/openai/openai-assistants/samples/v1-beta/typescript/src/functionAssistant.ts

@@ -104,7 +104,7 @@ export async function main() {
   } as const;
 
   const weatherAssistant = await assistantsClient.assistants.createAssistant({
-    model: "gpt-4-1106-preview",
+    model: "gpt-4-0125-Preview",
     name: "JS SDK Test Assistant - Weather",
     instructions: `You are a weather bot. Use the provided functions to help answer questions.
         Customize your responses to the user's preferences as much as possible and use friendly

sdk/openai/openai-assistants/samples/v1-beta/typescript/src/retrievalAssistant.ts

@@ -20,7 +20,7 @@ export async function main() {
   const uploadAssistantFile = await assistantsClient.files.uploadFile(uint8array, "assistants", { filename });
   console.log(uploadAssistantFile);
   const fileAssistantResponse = await assistantsClient.assistants.createAssistant({
-    model: "gpt-4-1106-preview",
+    model: "gpt-4-0125-Preview",
     name: "JS SDK Test Assistant - Retrieval",
     instructions: "Please address the user as Jane Doe. The user has a premium account.",
     tools: [{ type: "retrieval" }],

sdk/openai/openai-assistants/sources/customizations/models/models.ts

@@ -13,6 +13,24 @@ import {
   RunStatus,
 } from "../../generated/src/models/models.js";
 
+/** The request details to use when creating a new assistant. */
+export interface AssistantCreationOptions {
+  /** The ID of the model to use. (In Azure AI Studio, corresponds to "Deployment name") */
+  model: string;
+  /** The name of the new assistant. */
+  name?: string | null;
+  /** The description of the new assistant. */
+  description?: string | null;
+  /** The system instructions for the new assistant to use. */
+  instructions?: string | null;
+  /** The collection of tools to enable for the new assistant. */
+  tools?: ToolDefinition[];
+  /** A list of previously uploaded file IDs to attach to the assistant. */
+  fileIds?: string[];
+  /** A set of up to 16 key/value pairs that can be attached to an object, used for storing additional information about that object in a structured format. Keys may be up to 64 characters in length and values may be up to 512 characters in length. */
+  metadata?: Record<string, string> | null;
+}
+
 /** An abstract representation of a required action for an assistant thread run to continue. */
 export interface RequiredAction {
   /** the discriminator possible values: submit_tool_outputs */

sdk/openai/openai-assistants/src/models/models.ts

@@ -10,7 +10,7 @@
  */
 /** The request details to use when creating a new assistant. */
 export interface AssistantCreationOptions {
-  /** The ID of the model to use. */
+  /** The ID of the model to use. (In Azure AI Studio, corresponds to "Deployment name") */
   model: string;
   /** The name of the new assistant. */
   name?: string | null;