lower bound is 1.6 now

mcabbott · web-flow · commit 73c90f64121d · 2022-07-29T09:08:07.000-04:00
diff --git a/Project.toml b/Project.toml
@@ -17,7 +17,7 @@ StaticArrays = "1.0"
 Tracker = "0.2"
 Zygote = "0.6"
 ZygoteRules = "0.2"
-julia = "1.3"
+julia = "1.6"
 
 [extras]
 Test = "8dfed614-e22c-5e08-85e1-65c5234f0b40"
