Apply T300575 to wmf wikis
# **ALTERs to run:** https://gerrit.wikimedia.org/r/c/mediawiki/extensions/CheckUser/+/787931/4/schema/mysql/patch-cu_changes-cuc_timestamp.sql
# **Where to run those changes:** all wikis
# **When to run those changes:** 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:** there is no checkuser on beta cluster
# **if the data should be made available on the labs replicas and/or dumps:** no change of the existing rules
Progress:
[] s1 (all done, pending the master db1163)
[] s2 (all done, pending the master db1162)
[] s3 (all done, pending the master db1123)
[] s4 (all done, pending the master db1160)
[] s5 (all done, pending the master db1130)
[x] s6
[] s7 (all done, pending the master db1136)
[x] s8 See T310011#7997611
[x] labtestwiki