chore(deps): bump activesupport from 6.0.2.1 to 6.0.3.6 in /docs

Bumps [activesupport](https://github.com/rails/rails) from 6.0.2.1 to 6.0.3.6.
- [Release notes](https://github.com/rails/rails/releases)
- [Changelog](https://github.com/rails/rails/blob/v6.1.3.1/activesupport/CHANGELOG.md)
- [Commits](rails/rails@v6.0.2.1...v6.0.3.6)

Signed-off-by: dependabot[bot] <[email protected]>

docs/Gemfile.lock

@@ -1,12 +1,12 @@
 GEM
   remote: https://rubygems.org/
   specs:
-    activesupport (6.0.2.1)
+    activesupport (6.0.3.6)
       concurrent-ruby (~> 1.0, >= 1.0.2)
       i18n (>= 0.7, < 2)
       minitest (~> 5.1)
       tzinfo (~> 1.1)
-      zeitwerk (~> 2.2)
+      zeitwerk (~> 2.2, >= 2.2.2)
     addressable (2.7.0)
       public_suffix (>= 2.0.2, < 5.0)
     coffee-script (2.4.1)
@@ -16,7 +16,7 @@ GEM
     colorator (1.1.0)
     commonmarker (0.17.13)
       ruby-enum (~> 0.5)
-    concurrent-ruby (1.1.5)
+    concurrent-ruby (1.1.8)
     dnsruby (1.61.3)
       addressable (~> 2.5)
     em-websocket (0.5.1)
@@ -202,7 +202,7 @@ GEM
       jekyll (>= 3.5, < 5.0)
       jekyll-feed (~> 0.9)
       jekyll-seo-tag (~> 2.1)
-    minitest (5.13.0)
+    minitest (5.14.4)
     multipart-post (2.1.1)
     nokogiri (1.10.7)
       mini_portile2 (~> 2.4.0)
@@ -232,10 +232,10 @@ GEM
     thread_safe (0.3.6)
     typhoeus (1.3.1)
       ethon (>= 0.9.0)
-    tzinfo (1.2.6)
+    tzinfo (1.2.9)
       thread_safe (~> 0.1)
     unicode-display_width (1.6.0)
-    zeitwerk (2.2.2)
+    zeitwerk (2.4.2)
 
 PLATFORMS
   ruby