Update ts examples in aws alb auth documentation error

Signed-off-by: cloudoutloud <39462069+cloudoutloud@users.noreply.github.com>

contrib/docs/tutorials/aws-alb-aad-oidc-auth.md

@@ -91,8 +91,8 @@ const SampleSignInComponent: any = (props: SignInPageProps) => {
             },
           }),
         );
-      } catch (err) {
-        setError(err.message);
+      } catch (err: any) {
+        setError(err.message as string);
       }
     }
   }, [config]);