Properly expose easy auth provider

16108 added support for Azure easy auth, however the provider wasn't properly exposed so it can't be used.
This PR fixes that by properly exposing the provider

Signed-off-by: Alex Crome <afscrome@users.noreply.github.com>

.changeset/sour-laws-walk.md

@@ -0,0 +1,5 @@
+---
+'@backstage/plugin-auth-backend': patch
+---
+
+Export Azure Easy Auth provider so it can actually be used.

plugins/auth-backend/src/providers/providers.ts

@@ -32,6 +32,7 @@ import { onelogin } from './onelogin';
 import { saml } from './saml';
 import { AuthProviderFactory } from './types';
 import { bitbucketServer } from './bitbucketServer';
+import { easyAuth } from './azure-easyauth';
 
 /**
  * All built-in auth provider integrations.
@@ -56,6 +57,7 @@ export const providers = Object.freeze({
   okta,
   onelogin,
   saml,
+  easyAuth,
 });
 
 /**
@@ -73,6 +75,7 @@ export const defaultAuthProviderFactories: {
   okta: okta.create(),
   auth0: auth0.create(),
   microsoft: microsoft.create(),
+  easyAuth: easyAuth.create(),
   oauth2: oauth2.create(),
   oidc: oidc.create(),
   onelogin: onelogin.create(),