fixes typo in the example Entra ID authority URL in two builder classes XML comments. (#5278)

* Update PublicClientApplicationBuilder.cs

* Update ConfidentialClientApplicationBuilder.cs

Author: gladjohn

src/client/Microsoft.Identity.Client/AppConfig/ConfidentialClientApplicationBuilder.cs

@@ -339,7 +339,7 @@ public ConfidentialClientApplicationBuilder WithGenericAuthority(string authorit
         /// See https://openid.net/specs/openid-connect-core-1_0.html#Terminology
         /// </summary>
         /// <remarks>
-        /// Do not use this method with Entra ID authorities (e.g. https://login.microsfoftonline.com/common).
+        /// Do not use this method with Entra ID authorities (e.g. https://login.microsoftonline.com/common).
         /// Use WithAuthority(string) instead.
         /// </remarks>
         public ConfidentialClientApplicationBuilder WithOidcAuthority(string authorityUri)

src/client/Microsoft.Identity.Client/AppConfig/PublicClientApplicationBuilder.cs

@@ -226,7 +226,7 @@ private PublicClientApplicationBuilder WithParentFunc(Func<object> parentFunc)
         /// </summary>
         /// <remarks>
         /// Experimental on public clients.
-        /// Do not use this method with Entra ID authorities (e.g. https://login.microsfoftonline.com/common).
+        /// Do not use this method with Entra ID authorities (e.g. https://login.microsoftonline.com/common).
         /// Use WithAuthority(string) instead.
         /// </remarks>
         public PublicClientApplicationBuilder WithOidcAuthority(string authorityUri)