Don't force FD=1 in test suite

Author: penelopeysm

test/Project.toml

@@ -36,7 +36,7 @@ Enzyme = "0.13.12"
 EnzymeTestUtils = "0.2.1"
 FillArrays = "1"
 FiniteDifferences = "0.11, 0.12"
-ForwardDiff = "1.0.1"
+ForwardDiff = "0.10, 1.0.1"
 Functors = "0.1, 0.2, 0.3, 0.4, 0.5"
 InverseFunctions = "0.1"
 LazyArrays = "1, 2"