bump min Julia version

oscarddssmith · oscarddssmith · commit 030990a66521 · 2023-06-06T09:56:43.000-04:00
diff --git a/Project.toml b/Project.toml
@@ -15,4 +15,4 @@ test = ["DataStructures", "IntegerMathUtils", "Test"]
 
 [compat]
 IntegerMathUtils = "0.1.1"
-julia = "1"
+julia = "1.6"
diff --git a/appveyor.yml b/appveyor.yml
@@ -1,9 +1,7 @@
 environment:
   matrix:
-  - julia_version: 1.0
-  - julia_version: 1.3
   - julia_version: 1.6
-  - julia_version: 1.7
+  - julia_version: 1
   - julia_version: nightly
 matrix:
   allow_failures:
