chore: bump codec d28fd71, kernel a03e4f0, graph 79bdc4b

Codec: PRs #71-#74 merged (MPOLYGON layout, multiline ATTDEF/ATTRIB DXF,
DXF MATERIAL/ACSH matrix, restorable SAT/SAB + history roots) and issues
#55 #64-#69 fixed. EntityType now boxes Surface, Extended, Table,
MultiLeader and Helix (2344 B -> 848 B per entity): construction sites
wrap in Box, the entity traits forward through Box, and the python
plugin generator converts with into(). Kernel: PR #70 (cuboid ring
winding).

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

src/modules/model/sectionplane_cmd.rs

@@ -172,7 +172,7 @@ impl SectionPlaneCommand {
             self.kind == SectionKind::Slice,
             depth,
         );
-        EntityType::Extended(entity)
+        EntityType::Extended(Box::new(entity))
     }
 
     fn line_at(&self, point: DVec3, viewing: DVec3, vertical_hint: DVec3) -> (Vec<DVec3>, DVec3) {