databases/p5-DBIx-Class-Helpers: UNBREAK

I'm not sure what happened here. There was a good PR [1] to update
this port that properly changed the Makefile, distinfo, and the pkg-plist,
but tj@ updated the port independently but only changed the Makefile
(and moved PORTREVISION to 2 instead of resetting it to 0). Use the
changes outlined in the PR properly updates the version to 2.024001.

PR: 195195
Submitted by: Geoffroy Desvernay
Approved by: blanket (unbreak port)