Add update instructions for breaking H2 JDBC Persistence changes

Related to openhab/openhab-addons#15726

Signed-off-by: Wouter Born <github@maindrain.net>

distributions/openhab/src/main/resources/bin/update.lst

@@ -118,6 +118,7 @@ ALERT;Netatmo Binding: New scope has been added for the introduction of the Carb
 ALERT;Windcentrale Binding: The binding has been reworked to support the new API that requires authentication. Delete old 'mill' Things, add an 'account' Bridge and add new 'windmill' Things using the 'account' as Bridge. The channel names now follow the naming conventions. Items must be adapted for these changes.
 
 [4.1.0]
+ALERT;JDBC Persistence: The add-on now uses H2 database 2.2. If you use H2 for storing data, your database needs to be migrated as described in https://h2database.com/html/migration-to-v2.html . It is also required to add ';NON_KEYWORDS=VALUE' to your H2 JDBC URL. See also https://github.com/openhab/openhab-addons/pull/15726 for a Bash migration script.
 ALERT;Miele@home Binding: The channel 'powerConsumption' has been renamed to 'energyConsumption'. Items should be relinked to the new channel.
 
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