Temp change of ObjectiveC.jl source

Author: christiangnrd

Project.toml

@@ -51,3 +51,6 @@ SpecialFunctions = "2"
 StaticArrays = "1"
 UUIDs = "1"
 julia = "1.10"
+
+[sources]
+ObjectiveC = {url = "https://github.com/christiangnrd/ObjectiveC.jl", rev = "availability"}