databases/adminerevo: update to 4.8.4

Switch to DISTVERSION.

ChangeLog:
https://github.com/adminerevo/adminerevo/blob/v4.8.4/changes.txt

• Removed size for integer on MySQL 8+.
• Replaced deprecated by error_get_last().
• Allow responsive styles on larger devices.
• Fixed issue with editor tables list.
• Adjusted href of editor title.
• Fixes of warnings on PHP8.3.
• Filter removal buttons on table select pages.
• Skip dump of generated columns.
• Add LICENSE file, clarify dual-licensing.
• Restore latest version check.

PR: 280897
Approved by: submitter is maintainer