Bumping up migration number to 111 (#24341)

PR https://github.com/mattermost/mattermost/pull/24039 was reverted which left an erroneous migration 110. So to workaround this, we create a new migration with number 111. ```release-note NONE ```
2023-08-23 21:15:53 +05:30
--- a/server/channels/db/migrations/postgres/000111_update_vacuuming.down.sql
+++ b/server/channels/db/migrations/postgres/000111_update_vacuuming.down.sql
--- a/server/channels/db/migrations/postgres/000111_update_vacuuming.up.sql
+++ b/server/channels/db/migrations/postgres/000111_update_vacuuming.up.sql