[identity] Re-export WorkloadIdentityCredential options (Azure#25155)

### Packages impacted by this PR

- [@azure/identity]

### Issues associated with this PR


### Describe the problem that is addressed by this PR

Customer reported issue with non-exported
`WorkloadIdentityDefaultCredentialOptions`

### 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
- [x] 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)_
- [x] Added a changelog (if necessary)

---------

Co-authored-by: Karishma Ghiya <[email protected]>

Author: mpodwysocki

sdk/identity/identity/CHANGELOG.md

@@ -9,6 +9,8 @@
 ### Bugs Fixed
 
 - Fixed a bug in `WorkloadIdentity Credential`, to incorporate the case where the options can be `undefined` in a conditional check. Related issue [#25089](https://github.com/Azure/azure-sdk-for-js/issues/25089) with the fix [#25119](https://github.com/Azure/azure-sdk-for-js/pull/25119).
+- Exported `WorkloadIdentityDefaultCredentialOptions` which was previously not publicly exported in `index.ts`.
+
 ### Other Changes
 
 ## 3.2.0-beta.1 (2023-02-28)

sdk/identity/identity/review/identity.api.md

@@ -380,8 +380,6 @@ export interface VisualStudioCodeCredentialOptions extends MultiTenantTokenCrede
 // @public
 export class WorkloadIdentityCredential implements TokenCredential {
     constructor(options: WorkloadIdentityCredentialOptions);
-    // Warning: (ae-forgotten-export) The symbol "WorkloadIdentityDefaultCredentialOptions" needs to be exported by the entry point index.d.ts
-    //
     // @internal
     constructor(options?: WorkloadIdentityDefaultCredentialOptions);
     getToken(scopes: string | string[], options?: GetTokenOptions): Promise<AccessToken | null>;
@@ -394,6 +392,10 @@ export interface WorkloadIdentityCredentialOptions extends WorkloadIdentityDefau
     tenantId: string;
 }
 
+// @public
+export interface WorkloadIdentityDefaultCredentialOptions extends MultiTenantTokenCredentialOptions, AuthorityValidationOptions {
+}
+
 // (No @packageDocumentation comment for this package)
 
 ```

sdk/identity/identity/src/credentials/workloadIdentityCredentialOptions.ts

@@ -3,7 +3,6 @@
 
 import { AuthorityValidationOptions } from "./authorityValidationOptions";
 import { MultiTenantTokenCredentialOptions } from "./multiTenantTokenCredentialOptions";
-import { WorkloadIdentityCredential } from "./workloadIdentityCredential";
 
 /**
  * Options for the {@link WorkloadIdentityCredential}
@@ -25,8 +24,7 @@ export interface WorkloadIdentityCredentialOptions
 }
 
 /**
- * @internal
- * @hidden
+ * Internal Options for the {@link WorkloadIdentityCredential}, not meant to be used directly.
  */
 export interface WorkloadIdentityDefaultCredentialOptions
   extends MultiTenantTokenCredentialOptions,

sdk/identity/identity/src/index.ts

@@ -90,7 +90,10 @@ export { VisualStudioCodeCredential } from "./credentials/visualStudioCodeCreden
 export { VisualStudioCodeCredentialOptions } from "./credentials/visualStudioCodeCredentialOptions";
 export { OnBehalfOfCredential } from "./credentials/onBehalfOfCredential";
 export { WorkloadIdentityCredential } from "./credentials/workloadIdentityCredential";
-export { WorkloadIdentityCredentialOptions } from "./credentials/workloadIdentityCredentialOptions";
+export {
+  WorkloadIdentityCredentialOptions,
+  WorkloadIdentityDefaultCredentialOptions,
+} from "./credentials/workloadIdentityCredentialOptions";
 
 export { TokenCachePersistenceOptions } from "./msal/nodeFlows/tokenCachePersistenceOptions";