Bump ancestry from 3.2.1 to 4.0.0 (#13370)

Bumps [ancestry](https://github.com/stefankroes/ancestry) from 3.2.1 to 4.0.0.
- [Release notes](https://github.com/stefankroes/ancestry/releases)
- [Changelog](https://github.com/stefankroes/ancestry/blob/master/CHANGELOG.md)
- [Commits](https://github.com/stefankroes/ancestry/compare/v3.2.1...v4.0.0)

Signed-off-by: dependabot[bot] <support@github.com>

Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Gemfile

@@ -16,7 +16,7 @@ gem "acts_as_follower", github: "forem/acts_as_follower", branch: "master" # All
 gem "addressable", "~> 2.7" # A replacement for the URI implementation that is part of Ruby's standard library
 gem "ahoy_email", "~> 2.0.2" # Email analytics for Rails
 gem "ahoy_matey", "~> 3.2" # Tracking analytics for Rails
-gem "ancestry", "~> 3.2" # Ancestry allows the records of a ActiveRecord model to be organized in a tree structure
+gem "ancestry", "~> 4.0" # Ancestry allows the records of a ActiveRecord model to be organized in a tree structure
 gem "blazer", "~> 2.4.2" # Allows admins to query data
 gem "bootsnap", ">= 1.1.0", require: false # Boot large ruby/rails apps faster
 gem "carrierwave", "~> 2.2" # Upload files in your Ruby applications, map them to a range of ORMs, store them on different backends

Gemfile.lock

@@ -97,8 +97,8 @@ GEM
       geocoder (>= 1.4.5)
       safely_block (>= 0.2.1)
     amazing_print (1.3.0)
-    ancestry (3.2.1)
-      activerecord (>= 4.2.0)
+    ancestry (4.0.0)
+      activerecord (>= 5.2.4.5)
     anyway_config (2.1.0)
       ruby-next-core (>= 0.11.0)
     ast (2.4.2)
@@ -863,7 +863,7 @@ DEPENDENCIES
   ahoy_email (~> 2.0.2)
   ahoy_matey (~> 3.2)
   amazing_print (~> 1.3)
-  ancestry (~> 3.2)
+  ancestry (~> 4.0)
   better_errors (~> 2.9)
   binding_of_caller (~> 0.8)
   blazer (~> 2.4.2)