Bump activestorage from 6.0.0 to 6.0.3.1

Bumps [activestorage](https://github.com/rails/rails) from 6.0.0 to 6.0.3.1.
- [Release notes](https://github.com/rails/rails/releases)
- [Changelog](https://github.com/rails/rails/blob/v6.0.3.1/activestorage/CHANGELOG.md)
- [Commits](https://github.com/rails/rails/compare/v6.0.0...v6.0.3.1)

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

Gemfile.lock

@@ -7,74 +7,74 @@ PATH
 GEM
   remote: https://rubygems.org/
   specs:
-    actioncable (6.0.0)
+    actioncable (6.0.3.1)
-      actionpack (= 6.0.0)
+      actionpack (= 6.0.3.1)
       nio4r (~> 2.0)
       websocket-driver (>= 0.6.1)
-    actionmailbox (6.0.0)
+    actionmailbox (6.0.3.1)
-      actionpack (= 6.0.0)
+      actionpack (= 6.0.3.1)
-      activejob (= 6.0.0)
+      activejob (= 6.0.3.1)
-      activerecord (= 6.0.0)
+      activerecord (= 6.0.3.1)
-      activestorage (= 6.0.0)
+      activestorage (= 6.0.3.1)
-      activesupport (= 6.0.0)
+      activesupport (= 6.0.3.1)
       mail (>= 2.7.1)
-    actionmailer (6.0.0)
+    actionmailer (6.0.3.1)
-      actionpack (= 6.0.0)
+      actionpack (= 6.0.3.1)
-      actionview (= 6.0.0)
+      actionview (= 6.0.3.1)
-      activejob (= 6.0.0)
+      activejob (= 6.0.3.1)
       mail (~> 2.5, >= 2.5.4)
       rails-dom-testing (~> 2.0)
-    actionpack (6.0.0)
+    actionpack (6.0.3.1)
-      actionview (= 6.0.0)
+      actionview (= 6.0.3.1)
-      activesupport (= 6.0.0)
+      activesupport (= 6.0.3.1)
-      rack (~> 2.0)
+      rack (~> 2.0, >= 2.0.8)
       rack-test (>= 0.6.3)
       rails-dom-testing (~> 2.0)
       rails-html-sanitizer (~> 1.0, >= 1.2.0)
-    actiontext (6.0.0)
+    actiontext (6.0.3.1)
-      actionpack (= 6.0.0)
+      actionpack (= 6.0.3.1)
-      activerecord (= 6.0.0)
+      activerecord (= 6.0.3.1)
-      activestorage (= 6.0.0)
+      activestorage (= 6.0.3.1)
-      activesupport (= 6.0.0)
+      activesupport (= 6.0.3.1)
       nokogiri (>= 1.8.5)
-    actionview (6.0.0)
+    actionview (6.0.3.1)
-      activesupport (= 6.0.0)
+      activesupport (= 6.0.3.1)
       builder (~> 3.1)
       erubi (~> 1.4)
       rails-dom-testing (~> 2.0)
       rails-html-sanitizer (~> 1.1, >= 1.2.0)
-    activejob (6.0.0)
+    activejob (6.0.3.1)
-      activesupport (= 6.0.0)
+      activesupport (= 6.0.3.1)
       globalid (>= 0.3.6)
-    activemodel (6.0.0)
+    activemodel (6.0.3.1)
-      activesupport (= 6.0.0)
+      activesupport (= 6.0.3.1)
-    activerecord (6.0.0)
+    activerecord (6.0.3.1)
-      activemodel (= 6.0.0)
+      activemodel (= 6.0.3.1)
-      activesupport (= 6.0.0)
+      activesupport (= 6.0.3.1)
-    activestorage (6.0.0)
+    activestorage (6.0.3.1)
-      actionpack (= 6.0.0)
+      actionpack (= 6.0.3.1)
-      activejob (= 6.0.0)
+      activejob (= 6.0.3.1)
-      activerecord (= 6.0.0)
+      activerecord (= 6.0.3.1)
       marcel (~> 0.3.1)
-    activesupport (6.0.0)
+    activesupport (6.0.3.1)
       concurrent-ruby (~> 1.0, >= 1.0.2)
       i18n (>= 0.7, < 2)
       minitest (~> 5.1)
       tzinfo (~> 1.1)
-      zeitwerk (~> 2.1, >= 2.1.8)
+      zeitwerk (~> 2.2, >= 2.2.2)
     ast (2.4.0)
-    builder (3.2.3)
+    builder (3.2.4)
     coderay (1.1.2)
-    concurrent-ruby (1.1.5)
+    concurrent-ruby (1.1.6)
-    crass (1.0.4)
+    crass (1.0.6)
     diff-lcs (1.3)
-    erubi (1.8.0)
+    erubi (1.9.0)
     globalid (0.4.2)
       activesupport (>= 4.2.0)
-    i18n (1.6.0)
+    i18n (1.8.2)
       concurrent-ruby (~> 1.0)
     jaro_winkler (1.5.3)
-    loofah (2.2.3)
+    loofah (2.5.0)
       crass (~> 1.0.2)
       nokogiri (>= 1.5.9)
     mail (2.7.1)
@@ -82,12 +82,12 @@ GEM
     marcel (0.3.3)
       mimemagic (~> 0.3.2)
     method_source (0.9.2)
-    mimemagic (0.3.3)
+    mimemagic (0.3.5)
     mini_mime (1.0.2)
     mini_portile2 (2.4.0)
-    minitest (5.11.3)
+    minitest (5.14.1)
-    nio4r (2.5.1)
+    nio4r (2.5.2)
-    nokogiri (1.10.4)
+    nokogiri (1.10.9)
       mini_portile2 (~> 2.4.0)
     parallel (1.17.0)
     parser (2.6.4.0)
@@ -99,32 +99,32 @@ GEM
       pry (>= 0.9.10, < 0.13.0)
     puma (4.1.0)
       nio4r (~> 2.0)
-    rack (2.0.7)
+    rack (2.2.2)
     rack-test (1.1.0)
       rack (>= 1.0, < 3)
-    rails (6.0.0)
+    rails (6.0.3.1)
-      actioncable (= 6.0.0)
+      actioncable (= 6.0.3.1)
-      actionmailbox (= 6.0.0)
+      actionmailbox (= 6.0.3.1)
-      actionmailer (= 6.0.0)
+      actionmailer (= 6.0.3.1)
-      actionpack (= 6.0.0)
+      actionpack (= 6.0.3.1)
-      actiontext (= 6.0.0)
+      actiontext (= 6.0.3.1)
-      actionview (= 6.0.0)
+      actionview (= 6.0.3.1)
-      activejob (= 6.0.0)
+      activejob (= 6.0.3.1)
-      activemodel (= 6.0.0)
+      activemodel (= 6.0.3.1)
-      activerecord (= 6.0.0)
+      activerecord (= 6.0.3.1)
-      activestorage (= 6.0.0)
+      activestorage (= 6.0.3.1)
-      activesupport (= 6.0.0)
+      activesupport (= 6.0.3.1)
       bundler (>= 1.3.0)
-      railties (= 6.0.0)
+      railties (= 6.0.3.1)
       sprockets-rails (>= 2.0.0)
     rails-dom-testing (2.0.3)
       activesupport (>= 4.2.0)
       nokogiri (>= 1.6)
-    rails-html-sanitizer (1.2.0)
+    rails-html-sanitizer (1.3.0)
-      loofah (~> 2.2, >= 2.2.2)
+      loofah (~> 2.3)
-    railties (6.0.0)
+    railties (6.0.3.1)
-      actionpack (= 6.0.0)
+      actionpack (= 6.0.3.1)
-      activesupport (= 6.0.0)
+      activesupport (= 6.0.3.1)
       method_source
       rake (>= 0.8.7)
       thor (>= 0.20.3, < 2.0)
@@ -155,7 +155,7 @@ GEM
       ruby-progressbar (~> 1.7)
       unicode-display_width (>= 1.4.0, < 1.7)
     ruby-progressbar (1.10.1)
-    sprockets (3.7.2)
+    sprockets (4.0.0)
       concurrent-ruby (~> 1.0)
       rack (> 1, < 3)
     sprockets-rails (3.2.1)
@@ -163,15 +163,15 @@ GEM
       activesupport (>= 4.0)
       sprockets (>= 3.0.0)
     sqlite3 (1.4.1)
-    thor (0.20.3)
+    thor (1.0.1)
     thread_safe (0.3.6)
-    tzinfo (1.2.5)
+    tzinfo (1.2.7)
       thread_safe (~> 0.1)
     unicode-display_width (1.6.0)
-    websocket-driver (0.7.1)
+    websocket-driver (0.7.2)
       websocket-extensions (>= 0.1.0)
     websocket-extensions (0.1.4)
-    zeitwerk (2.1.10)
+    zeitwerk (2.3.0)
 
 PLATFORMS
   ruby