Add NEWS and UPGRADING entries for GH-9296

Author: cmb69

NEWS

@@ -87,6 +87,8 @@ PHP                                                                        NEWS
   . Fixed bug #65489 (glob() basedir check is inconsistent). (Jakub Zelenka)
   . Fixed GH-9200 (setcookie has an obsolete expires date format). (Derick)
   . Fixed GH-9244 (Segfault with array_multisort + array_shift). (cmb)
+  . Fixed bug GH-9296 (`ksort` behaves incorrectly on arrays with mixed keys).
+    (Denis Vaksman)
 
 04 Aug 2022, PHP 8.2.0beta2
 

UPGRADING

@@ -51,6 +51,8 @@ PHP 8.2 UPGRADE NOTES
   . str_split() returns an empty array for an empty string now. Previously it
     returned an array with a single empty string entry. mb_str_split() is not
     affected by this change since it was already behaving like that.
+  . ksort() and krsort() do numeric string comparison under SORT_REGULAR using
+    the standard PHP 8 rules now.
 
 - SPL:
   . The following methods now enforce their signature: