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

Author: CompatHelper Julia

Project.toml

@@ -29,7 +29,7 @@ Zygote = "e88e6eb3-aa80-5325-afca-941959d7151f"
 ChainRulesCore = "0.9.44, 0.10, 1"
 Distributions = "0.23, 0.24, 0.25"
 DistributionsAD = "0.6"
-DocStringExtensions = "0.8"
+DocStringExtensions = "0.8, 0.9"
 FillArrays = "0.7,0.8, 0.9, 0.10, 0.11, 0.12, 0.13"
 ForwardDiff = "0.10"
 IterativeSolvers = "0.8, 0.9"