Tiny spelling correction.

Correction of 'lowecase' to 'lowercase'.

Author: metallicgloss

resources/lang/en/auth.php

@@ -13,7 +13,7 @@
     'email_sent' => 'An email has been sent to you with further instructions for resetting your password.',
     'failed' => 'The credentials provided to not match those we have on record, or the 2FA token provided was invalid.',
     'throttle' => 'Too many login attempts. Please try again in :seconds seconds.',
-    'password_requirements' => 'Passwords must contain at least one uppercase, lowecase, and numeric character and must be at least 8 characters in length.',
+    'password_requirements' => 'Passwords must contain at least one uppercase, lowercase, and numeric character and must be at least 8 characters in length.',
     'request_reset' => 'Locate Account',
     '2fa_required' => '2-Factor Authentication',
     '2fa_failed' => 'The 2FA token provided was invalid.',