CompatHelper: bump compat for Bijectors to 0.15 for package docs, (keep existing compat)

Author: CompatHelper Julia

docs/Project.toml

@@ -17,7 +17,7 @@ StatsFuns = "4c63d2b9-4356-54db-8cca-17b64c39e42c"
 [compat]
 ADTypes = "1"
 AdvancedVI = "0.3"
-Bijectors = "0.13.6, 0.14"
+Bijectors = "0.13.6, 0.14, 0.15"
 Distributions = "0.25"
 Documenter = "1"
 FillArrays = "1"