Add UPGRADING/NEWS for full_path for file uploads

[ci skip]

Author: nikic

NEWS

@@ -9,6 +9,8 @@ PHP                                                                        NEWS
     function). (Nikita)
   . Fixed bug #53826 (__callStatic fired in base class through a parent call if
     the method is private). (Nikita)
+  . Implemented FR #77372 (Relative file path is removed from uploaded file).
+    (Björn Tantau)
 
 - Date:
   . Fixed bug #52480 (Incorrect difference using DateInterval) (Derick)

UPGRADING

@@ -176,6 +176,9 @@ PHP 8.1 UPGRADE NOTES
     RFC: https://wiki.php.net/rfc/noreturn_type
   . Added support for fibers.
     RFC: https://wiki.php.net/rfc/fibers
+  . File uploads now provide an additional full_path key, which contains the
+    full path (rather than just the basename) of the uploaded file. This is
+    intended for use in conjunction with "upload webkitdirectory".
 
 - Curl:
   . Added CURLOPT_DOH_URL option.