CompatHelper: bump compat for DocStringExtensions to 0.9, (keep existing compat)

Author: CompatHelper Julia

Project.toml

@@ -16,7 +16,7 @@ SciMLBase = "0bca4576-84f4-4d90-8ffe-ffa030f20462"
 [compat]
 DataStructures = "0.17, 0.18"
 DiffEqBase = "6.5"
-DocStringExtensions = "0.8"
+DocStringExtensions = "0.8, 0.9"
 Latexify = "0.14, 0.15"
 ModelingToolkit = "7, 8"
 Reexport = "0.2, 1.0"