updating Project to go with last commit

Author: eford

Project.toml

@@ -63,9 +63,9 @@ SpecialFunctions = "1.0, 1.1, 2"
 StaticArrays = "1"
 StatsBase = "0.33"
 Stheno = "0.6, 0.7, 0.8"
-TemporalGPs = "0.3, 0.4, 0.5, 0.6"
+TemporalGPs = "0.6 - 0.6.7"
 ThreadedIterables = "0.2"
-julia = "1.5, 1.6, 1.7, 1.8"
+julia = "1.6"
 
 [extras]
 Test = "8dfed614-e22c-5e08-85e1-65c5234f0b40"