message: Add subscription experience to index.d.ts
diff: @@ -10,6 +10,7 @@ import { CancellationToken, CancellationTokenSource, Disposable, Event, Extensio
  import { TargetPopulation } from 'vscode-tas-client';
  import { AzureExtensionApiProvider, AzureExtensionApi, GetApiOptions } from './api';
  import type { Activity, ActivityTreeItemOptions, AppResource, OnErrorActivityData, OnProgressActivityData, OnStartActivityData, OnSuccessActivityData } from './hostapi'; // This must remain `import type` or else a circular reference will result
  +import { AzureSubscription } from './hostapi.v2';
  export declare interface RunWithTemporaryDescriptionOptions {
  description: string;
  @@ -1741,6 +1742,7 @@ export declare function isWrapper(maybeWrapper: unknown): maybeWrapper is Wrappe
  export declare function appResourceExperience<TPick extends unknown>(context: IActionContext, tdp: TreeDataProvider<ResourceGroupsItem>, resourceTypes?: AzExtResourceType | AzExtResourceType[], childItemFilter?: ContextValueFilter): Promise<TPick>;
  export declare function contextValueExperience<TPick extends unknown>(context: IActionContext, tdp: TreeDataProvider<ResourceGroupsItem>, contextValueFilter: ContextValueFilter): Promise<TPick>;
  +export declare function subscriptionExperience(context: IActionContext, tdp: TreeDataProvider<ResourceGroupsItem>): Promise<AzureSubscription>;
  interface CompatibilityPickResourceExperienceOptions {
  resourceTypes?: AzExtResourceType | AzExtResourceType[];
  