set minimum julia version to 1.6

Author: laborg

.github/workflows/CI.yml

@@ -13,7 +13,7 @@ jobs:
       fail-fast: false
       matrix:
         version:
-          - '1.0'
+          - '1.6'
           - '1'
 #          - 'nightly'
         os:

Project.toml

@@ -8,9 +8,8 @@ InteractiveUtils = "b77e0a4c-d291-57a0-90e8-8db25a27a240"
 OrderedCollections = "bac558e1-5e72-5ebc-8fee-abe8a469f55d"
 
 [compat]
-Compat = "3.0.0, 4"
 OrderedCollections = "1.1.0"
-julia = "1"
+julia = "1.6"
 
 [extras]
 Primes = "27ebfcd6-29c5-5fa9-bf4b-fb8fc14df3ae"