CompatHelper: bump compat for AdvancedVI to 0.6 for package docs, (keep existing compat)

Author: CompatHelper Julia

docs/Project.toml

@@ -25,7 +25,7 @@ StatsFuns = "4c63d2b9-4356-54db-8cca-17b64c39e42c"
 [compat]
 ADTypes = "1"
 Accessors = "0.1"
-AdvancedVI = "0.7"
+AdvancedVI = "0.7, 0.6"
 Bijectors = "0.13.6, 0.14, 0.15"
 DataFrames = "1"
 DifferentiationInterface = "0.7"