Bump activesupport from 5.2.2 to 5.2.4.3

Bumps [activesupport](https://github.com/rails/rails) from 5.2.2 to 5.2.4.3.
- [Release notes](https://github.com/rails/rails/releases)
- [Changelog](https://github.com/rails/rails/blob/v6.0.3.1/activesupport/CHANGELOG.md)
- [Commits](rails/rails@v5.2.2...v5.2.4.3)

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

Author: dependabot[bot]

Gemfile.lock

@@ -1,7 +1,7 @@
 GEM
   remote: https://rubygems.org/
   specs:
-    activesupport (5.2.2)
+    activesupport (5.2.4.3)
       concurrent-ruby (~> 1.0, >= 1.0.2)
       i18n (>= 0.7, < 2)
       minitest (~> 5.1)
@@ -10,7 +10,7 @@ GEM
       public_suffix (>= 2.0.2, < 4.0)
     colorator (1.1.0)
     colorize (0.8.1)
-    concurrent-ruby (1.1.4)
+    concurrent-ruby (1.1.6)
     em-websocket (0.5.1)
       eventmachine (>= 0.12.9)
       http_parser.rb (~> 0.6.0)
@@ -58,7 +58,7 @@ GEM
       ruby_dep (~> 1.2)
     mercenary (0.3.6)
     mini_portile2 (2.4.0)
-    minitest (5.11.3)
+    minitest (5.14.1)
     nokogiri (1.10.8)
       mini_portile2 (~> 2.4.0)
     parallel (1.12.1)
@@ -85,7 +85,7 @@ GEM
     thread_safe (0.3.6)
     typhoeus (1.3.1)
       ethon (>= 0.9.0)
-    tzinfo (1.2.5)
+    tzinfo (1.2.7)
       thread_safe (~> 0.1)
     yell (2.0.7)