Update changelog

CHANGELOG

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 Muscat Changelog
 ================
 
+v 11.2.2
+* Add script to check if 593 is missing
+* Fix #1670 add all missing backward links to Inventory Items
+* Fix #1668, take in account institutions without siglum (don't move 094 if there is none)
+* #1671 Inventareintrag instead of Inventarartikel
+* #1671 make key or mode shared, and remove all the references
+* #1671 remove 598
+* #1671 fix 852 missing label
+* Fix #1667, add missing label for $a
+* Fix #1672, restore AuthToken interface after upgrade to ActiveAdmin 3.2
+* Fix #1671, number all the numbers in different amounts
+
 v 11.2.1
 * Bump rexml from 3.3.6 to 3.3.9
 * Merge pull request #1659 from rism-digital/dependabot/bundler/rexml-3.3.9