Roll back additional upgrades

Sentry seems to be causing a bug that prevents deployment

Author: jon-kirwan

Gemfile.lock

@@ -329,11 +329,14 @@ GEM
       rexml (~> 3.2, >= 3.2.5)
       rubyzip (>= 1.2.2, < 3.0)
       websocket (~> 1.0)
-    sentry-rails (5.4.0)
+    sentry-rails (5.3.1)
       railties (>= 5.0)
-      sentry-ruby (~> 5.4.0)
-    sentry-ruby (5.4.0)
+      sentry-ruby-core (~> 5.3.1)
+    sentry-ruby (5.3.1)
       concurrent-ruby (~> 1.0, >= 1.0.2)
+      sentry-ruby-core (= 5.3.1)
+    sentry-ruby-core (5.3.1)
+      concurrent-ruby
     simplecov (0.21.2)
       docile (~> 1.1)
       simplecov-html (~> 0.11)