[TASK] v7 Changelog: Add a missing forge reference

One .rst Changelog file misses the mandatory
index to the forge issue number.

Change-Id: I3d4275f777bf164cf51b4df61a8a3606c7058bbf
Resolves: #83364
Releases: 7.6
Reviewed-on: https://review.typo3.org/55128


Tested-by: TYPO3com <no-reply@typo3.com>
Reviewed-by: Christian Kuhn <lolli@schwarzbu.ch>
Tested-by: Christian Kuhn <lolli@schwarzbu.ch>

typo3/sysext/core/Documentation/Changelog/7.5/Feature-7098-SeverityFilteringForFlashMessageQueue.rst

@@ -5,6 +5,8 @@
 Feature: #7098 - Severity-filtering for FlashMessageQueue
 =========================================================
 
+See :issue:`7098`
+
 Description
 ===========