Update DataStructures.jl compatibility to include v0.19

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Co-Authored-By: Claude <noreply@anthropic.com>

Author: claude

Project.toml

@@ -48,7 +48,7 @@ CatalystStructuralIdentifiabilityExtension = "StructuralIdentifiability"
 BifurcationKit = "0.4.4"
 CairoMakie = "0.12, 0.13"
 Combinatorics = "1.0.2"
-DataStructures = "0.18"
+DataStructures = "0.18, 0.19"
 DiffEqBase = "6.165.0"
 DocStringExtensions = "0.8, 0.9"
 DynamicPolynomials = "0.6"