update docs link (#3520)

Co-authored-by: GJLMoTea <40420568+gjlmotea@users.noreply.github.com>

Author: jamesdaniels

docs/compat/auth/getting-started.md

@@ -4,7 +4,7 @@
 
 `AngularFireAuth` promise proxies an initialized
 `firebase.auth.Auth` instance, allowing you to log users in, out, etc. [See
-the Firebase docs for more information on what methods are available.](https://firebase.google.com/docs/reference/js/firebase.auth.Auth)
+the Firebase docs for more information on what methods are available.](https://firebase.google.com/docs/reference/js/auth.auth)
 
 > **NOTE**: [AngularFire has a new tree-shakable API](../../../README.md#developer-guide), you're looking at the documentation for the compatability version of the library. [See the v7 upgrade guide for more information on this change.](../../version-7-upgrade.md).
 
@@ -65,7 +65,7 @@ import { SETTINGS as AUTH_SETTINGS } from '@angular/fire/compat/auth';
 export class AppModule { }
 ```
 
-Read more at [Firebase Auth Settings](https://firebase.google.com/docs/reference/js/firebase.auth.AuthSettings).
+Read more at [Firebase Auth Settings](https://firebase.google.com/docs/reference/js/auth.authsettings).
 
 ### Use Current Browser Language
 
@@ -90,7 +90,7 @@ export class AppModule { }
 If you want to set a different language, you can use `LANGUAGE_CODE` DI Token
 (*default: null*).
 
-More info at the [firebase auth docs](https://firebase.google.com/docs/reference/js/firebase.auth.Auth#languagecode).
+More info at the [firebase auth docs](https://firebase.google.com/docs/reference/js/auth.auth#authlanguagecode).
 
 ```ts
 import { LANGUAGE_CODE } from '@angular/fire/compat/auth';
@@ -150,7 +150,7 @@ export class AppModule { }
 ```
 
 - [Multi-Tenancy Authentication](https://cloud.google.com/identity-platform/docs/multi-tenancy-authentication)
-- [Firebase Auth Tenant](https://firebase.google.com/docs/reference/js/firebase.auth.Auth#tenantid)
+- [Firebase Auth Tenant](https://firebase.google.com/docs/reference/js/auth.auth#tenantid)
 
 ## UI Libraries