Drop Artifacts version to v1

Recommended by https://discourse.julialang.org/t/psa-compat-requirements-in-the-general-registry-are-changing/104958

Author: sethaxen

Project.toml

@@ -13,7 +13,7 @@ OrderedCollections = "bac558e1-5e72-5ebc-8fee-abe8a469f55d"
 StructTypes = "856f2bd8-1eba-4b0a-8007-ebc267875bd4"
 
 [compat]
-Artifacts = "1.6, 1"
+Artifacts = "1"
 DataDeps = "0.7"
 InferenceObjects = "0.3.10, 0.4"
 JSON3 = "1"