chore: use fixed stretch version

packages/native-core/Cargo.toml

@@ -11,10 +11,10 @@ dioxus-core = { path = "../core", version = "^0.2.0" }
 dioxus-html = { path = "../html", version = "^0.2.0" }
 dioxus-core-macro = { path = "../core-macro", version = "^0.2.0" }
 
-stretch2 = { git = "https://github.com/DioxusLabs/stretch" }
+stretch2 = "0.4.2"
 smallvec = "1.6"
 fxhash = "0.2"
 anymap = "0.12.1"
 
 [dev-dependencies]
-rand = "0.8.5"
+rand = "0.8.5"