[DOCS] Fix typo in changelog for CSP's InvestigateMutationsEvent

Resolves: #102028
Related: #100333
Releases: main, 12.4
Change-Id: If44aa9106de3fe1ae94eae45b5f97b1c842b7e0f
Reviewed-on: https://review.typo3.org/c/Packages/TYPO3.CMS/+/81214


Reviewed-by: Benjamin Franzke <ben@bnf.dev>
Tested-by: Andreas Fernandez <a.fernandez@scripting-base.de>
Tested-by: core-ci <typo3@b13.com>
Tested-by: Benjamin Franzke <ben@bnf.dev>
Reviewed-by: Andreas Fernandez <a.fernandez@scripting-base.de>

typo3/sysext/core/Documentation/Changelog/12.3/Feature-99499-IntroduceContent-Security-PolicyHandling.rst

@@ -181,7 +181,7 @@ InvestigateMutationsEvent
 -------------------------
 
 The :php:`\TYPO3\CMS\Core\Security\ContentSecurityPolicy\Event\InvestigateMutationsEvent` will
-be dispatched when the Content-Security-Policy backend module searcges for potential resolutions
+be dispatched when the Content-Security-Policy backend module searches for potential resolutions
 to a specific CSP violation report. This way, third-party integrations that rely on external resources
 (for example, maps, file storage, content processing/translation, ...) can provide the necessary mutations.