Add JSON.jl v1 support, bump patch version

This shouldn't break any uses of JSON.jl that I have seen here.

Author: asinghvi17

Project.toml

@@ -1,7 +1,7 @@
 name = "PkgAuthentication"
 uuid = "4722fa14-9d28-45f9-a1e2-a38605bd88f0"
 authors = ["Sebastian Pfitzner", "contributors"]
-version = "2.3.1"
+version = "2.3.2"
 
 [deps]
 Downloads = "f43a241f-c20a-4ad4-852c-f6b1247861c6"
@@ -12,5 +12,5 @@ TOML = "fa267f1f-6049-4f14-aa54-33bafae1ed76"
 
 [compat]
 Downloads = "1"
-JSON = "0.20, 0.21"
+JSON = "0.20, 0.21, 1"
 julia = "1.3"