Merge pull request #624 from SciML/update-datastructures-v0.19

Update DataStructures.jl compatibility to v0.19

Author: ChrisRackauckas

Project.toml

@@ -37,7 +37,7 @@ UnPack = "3a884ed6-31ef-47d7-9d2a-63182c4928ed"
 ADTypes = "1"
 Adapt = "3, 4"
 ArrayInterface = "6, 7"
-DataStructures = "0.18"
+DataStructures = "0.18, 0.19"
 DiffEqBase = "6.154"
 DiffEqNoiseProcess = "5.13"
 DocStringExtensions = "0.8, 0.9"