Allow v0 JSON

Author: lukem12345

Project.toml

@@ -52,7 +52,7 @@ DelaunayTriangulation = "1.6.4"
 FileIO = "^1"
 GATlab = "0.1.5, 0.2"
 GeometryBasics = "0.5"
-JSON = "1"
+JSON = "0.21.4, 1"
 KernelAbstractions = "0.9"
 Krylov = "0.9.6, 0.10"
 LazyArrays = "0.20, 0.21, 0.22, 1.0, 2"