Revert "Bump shakapacker from 6.5.2 to 6.5.3"

This reverts commit 199f154999.

Gemfile

@@ -43,7 +43,7 @@ gem 'rest-client'
 gem 'rubytree'
 gem 'rubyzip'
 gem 'sass-rails'
-gem 'shakapacker', '6.5.3'
+gem 'shakapacker', '6.5.2'
 gem 'slim-rails'
 gem 'sorcery' # Causes a deprecation warning in Rails 6.0+, see: https://github.com/Sorcery/sorcery/pull/255
 gem 'telegraf'

Gemfile.lock

@@ -465,7 +465,7 @@ GEM
     sentry-ruby (5.5.0)
       concurrent-ruby (~> 1.0, >= 1.0.2)
     set (1.0.3)
-    shakapacker (6.5.3)
+    shakapacker (6.5.2)
       activesupport (>= 5.2)
       rack-proxy (>= 0.6.1)
       railties (>= 5.2)
@@ -543,7 +543,7 @@ GEM
     will_paginate (3.3.1)
     xpath (3.2.0)
       nokogiri (~> 1.8)
-    zeitwerk (2.6.4)
+    zeitwerk (2.6.1)
     zxcvbn-ruby (1.2.0)
 
 PLATFORMS
@@ -617,7 +617,7 @@ DEPENDENCIES
   selenium-webdriver
   sentry-rails
   sentry-ruby
-  shakapacker (= 6.5.3)
+  shakapacker (= 6.5.2)
   shoulda-matchers
   simplecov
   slim-rails