Deployment of T381877: Older wikis with GlobalBlocking installed have an incorrect type for gb_id to WMF wikis
- ALTERs to run: https://gerrit.wikimedia.org/r/c/mediawiki/extensions/GlobalBlocking/+/1148847/2/sql/mysql/patch-globalblocks-modify-gb_id-unsigned.sql
- Where to run those changes: centralauth DB only
- When to run those changes: At any time
- If the schema change is backwards compatible: Yes
- If the schema change has been tested already on some of the test/beta wikis: beta cluster is running with the new schema
- if the data should be made available on the labs replicas and/or dumps: no change of the existing rules