docs: release version 1.2.2

CHANGELOG.adoc

@@ -22,12 +22,14 @@ Don't forget to tag @ https://git.fitko.de/fit-connect/event-payload/-/tags
 
 === [Unreleased]
 
+=== [1.2.2]
+
 * [NO_PUBLIC] Use FITKO GitLab docker registry (https://git.fitko.de/fit-connect/planning/-/issues/1754[planning#1754])
 
 ==== Fixed
 
 * All objects now have a sensible `title` element. This is useful in code generation.
-* UUID validation regex issue in problems.schema.json for Attachments
+* UUID validation regex issue in problems.schema.json for Attachments (https://git.fitko.de/fit-connect/planning/-/issues/1760[planning#1760])
 
 === [1.2.1]