chore(deps): bump acadrust to standard-compliant annotative IO

Picks up bc711f0: annotative is now persisted the standard way
(AcadAnnotative XDATA for STYLE/DIMSTYLE/TABLESTYLE, native group 296 +
DWG bit for MLEADERSTYLE), superseding the earlier non-standard marker.

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>

Cargo.lock

@@ -54,7 +54,7 @@ checksum = "366ffbaa4442f4684d91e2cd7c5ea7c4ed8add41959a31447066e279e432b618"
 [[package]]
 name = "acadrust"
 version = "0.3.4"
-source = "git+https://github.com/HakanSeven12/acadrust?branch=main#d9b9948bad57c6a28a90153d210394f8f695c973"
+source = "git+https://github.com/HakanSeven12/acadrust?branch=main#bc711f04cd4c743f08a43907fb7d84682c2d59ef"
 dependencies = [
  "ahash",
  "anyhow",