chore: pin opencadcodec 42b44d2 (DXF saves polar stretch actions)

Pins opencadcodec 42b44d2, opencadkernel 4e67cd7, opencadgraph d89a9c5.

Co-Authored-By: Claude Opus 5.5 <[email protected]>

Cargo.lock

@@ -4201,7 +4201,7 @@ dependencies = [
 [[package]]
 name = "opencadcodec"
 version = "0.5.5"
-source = "git+https://github.com/HakanSeven12/opencadcodec.git?rev=4f7bd51#4f7bd514a95329d8b0188ff7e3e04a820f529e23"
+source = "git+https://github.com/HakanSeven12/opencadcodec.git?rev=42b44d2#42b44d2343e9925cff8a0c9e94c1d1c5ae8541c7"
 dependencies = [
  "ahash 0.8.12",
  "anyhow",
@@ -4224,7 +4224,7 @@ dependencies = [
 [[package]]
 name = "opencadgraph"
 version = "0.1.0"
-source = "git+https://github.com/HakanSeven12/opencadgraph.git?rev=048c9c5#048c9c517a1e10579fcebf459b55d03c74568199"
+source = "git+https://github.com/HakanSeven12/opencadgraph.git?rev=d89a9c5#d89a9c5967b8b94a89a106e1ec981542bfd66ae4"
 dependencies = [
  "opencadkernel",
  "serde_json",
@@ -4233,7 +4233,7 @@ dependencies = [
 [[package]]
 name = "opencadkernel"
 version = "0.1.0"
-source = "git+https://github.com/HakanSeven12/opencadkernel.git?rev=8186605#8186605b5c9854bfa2ad3ab54ffba121074bd626"
+source = "git+https://github.com/HakanSeven12/opencadkernel.git?rev=4e67cd7#4e67cd7008a183dade51385416862a323ff425f0"
 dependencies = [
  "cavalier_contours",
  "opencadcodec",
@@ -4244,7 +4244,7 @@ dependencies = [
 [[package]]
 name = "opencadkernel-constraints"
 version = "0.1.0"
-source = "git+https://github.com/HakanSeven12/opencadkernel.git?rev=8186605#8186605b5c9854bfa2ad3ab54ffba121074bd626"
+source = "git+https://github.com/HakanSeven12/opencadkernel.git?rev=4e67cd7#4e67cd7008a183dade51385416862a323ff425f0"
 dependencies = [
  "nalgebra",
 ]