[DOCS] Fix hook identifier in changelog for FlexForm parsing

Releases: main, 12.4
Resolves: #102039
Related: #97449
Change-Id: I5f7d314e40e53d09505bad92b5ce49bcc3ea8f10
Reviewed-on: https://review.typo3.org/c/Packages/TYPO3.CMS/+/81254


Tested-by: Stefan Bürk <stefan@buerk.tech>
Reviewed-by: Chris Müller <typo3@krue.ml>
Tested-by: core-ci <typo3@b13.com>
Tested-by: Chris Müller <typo3@krue.ml>
Reviewed-by: Stefan Bürk <stefan@buerk.tech>

typo3/sysext/core/Documentation/Changelog/12.0/Breaking-97449-RemovedHookForModifyingFlexFormParsing.rst

@@ -11,7 +11,7 @@ See :issue:`97449`
 Description
 ===========
 
-The hook :php:`$GLOBALS['TYPO3_CONF_VARS']['SC_OPTIONS']['workspaces']['modifyDifferenceArray']`,
+The hook :php:`$GLOBALS['TYPO3_CONF_VARS']['SC_OPTIONS'][FlexFormTools::class]['flexParsing']`,
 supporting the four hook methods
 
 - :php:`getDataStructureIdentifierPreProcess`