Switch edge to 8.1 #1051

Job	Run time
unit ruby-3.3 active_record-7.2 mysql	1m 9s
unit ruby-3.3 active_record-8.0 mysql	1m 15s
unit ruby-3.3 active_record-7.2 sqlite3	2m 18s
unit ruby-3.2 sequel-5 sqlite3	2m 13s
rails ruby-3.3 active_record-7.2 sqlite3	1m 5s
unit ruby-3.3 sequel-5 postgres	58s
unit ruby-3.2 active_record-8.0 sqlite3	1m 5s
unit ruby-3.3 sequel-5 mysql	1m 4s
unit ruby-3.3 active_record-8.1 sqlite3	49s
unit ruby-3.2 sequel-5 postgres	1m 4s
unit ruby-3.3 sequel-5 sqlite3	2m 8s
unit ruby-3.3 active_record-8.0 sqlite3	1m 5s
rails ruby-3.2 active_record-7.2 sqlite3	1m 10s
unit ruby-3.2 sequel-5 mysql	1m 10s
unit ruby-3.3 active_record-8.1 postgres	55s
unit ruby-3.3 active_record-8.1 mysql	53s
unit ruby-3.3 active_record-8.0 postgres	1m 16s
unit ruby-3.2 active_record-8.0 postgres	1m 18s
unit ruby-3.2 active_record-8.0 mysql	1m 6s
unit ruby-3.2 active_record-7.2 mysql	1m 11s
unit ruby-3.2 active_record-7.2 sqlite3	2m 14s
unit ruby-3.2 active_record-7.2 postgres	1m 18s
unit ruby-3.3 active_record-7.2 postgres	1m 9s
i18n_fallbacks ruby-3.3 -	57s
i18n_fallbacks ruby-3.2 -	56s
unit ruby-3.3 -	55s
performance ruby-3.3 -	50s
unit ruby-3.2 -	55s
performance ruby-3.2 -	56s
	35m 22s

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