upgrade mode value to html5-allow-no-tld and add versionadded block to specify when mode was introduced

Author: guillemfondin

reference/constraints/Email.rst

@@ -111,7 +111,7 @@ This option defines the pattern used to validate the email address. Valid values
   to use one of the other modes instead;
 * ``html5`` uses pretty the same regular expression as the `HTML5 email input element`_,
   but also force the usage of tld.
-* ``allow-no-tld`` uses exactly the same regular expression as the `HTML5 email input element`_,
+* ``html5-allow-no-tld`` uses exactly the same regular expression as the `HTML5 email input element`_,
   making the backend validation consistent with the one provided by browsers.
 * ``strict`` validates the address according to `RFC 5322`_ using the
   `egulias/email-validator`_ library (which is already installed when using
@@ -128,6 +128,10 @@ The default value used by this option is set in the
 :ref:`framework.validation.email_validation_mode <reference-validation-email_validation_mode>`
 configuration option.
 
+.. versionadded:: 6.2
+
+   The ``html5-allow-no-tld`` mode was introduced in 6.2.
+
 .. deprecated:: 6.2
 
     The ``loose`` value is deprecated since Symfony 6.2. Starting from