build(deps): bump activesupport from 6.0.4.4 to 6.0.4.6 in /docs

Bumps [activesupport](https://github.com/rails/rails) from 6.0.4.4 to 6.0.4.6.
- [Release notes](https://github.com/rails/rails/releases)
- [Changelog](https://github.com/rails/rails/blob/v7.0.2.2/activesupport/CHANGELOG.md)
- [Commits](rails/rails@v6.0.4.4...v6.0.4.6)

---
updated-dependencies:
- dependency-name: activesupport
  dependency-type: indirect
  update-type: version-update:semver-patch
...

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

docs/Gemfile.lock

@@ -1,7 +1,7 @@
 GEM
   remote: https://rubygems.org/
   specs:
-    activesupport (6.0.4.4)
+    activesupport (6.0.4.6)
       concurrent-ruby (~> 1.0, >= 1.0.2)
       i18n (>= 0.7, < 2)
       minitest (~> 5.1)