Bump redcarpet from 3.5.1 to 3.6.0 (#23339)

Bumps [redcarpet](https://github.com/vmg/redcarpet) from 3.5.1 to 3.6.0.
- [Release notes](https://github.com/vmg/redcarpet/releases)
- [Changelog](https://github.com/vmg/redcarpet/blob/master/CHANGELOG.md)
- [Commits](https://github.com/vmg/redcarpet/compare/v3.5.1...v3.6.0)

---
updated-dependencies:
- dependency-name: redcarpet
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Gemfile.lock

@@ -554,7 +554,7 @@ GEM
       link_header (~> 0.0, >= 0.0.8)
     rdf-normalize (0.5.1)
       rdf (~> 3.2)
-    redcarpet (3.5.1)
+    redcarpet (3.6.0)
     redis (4.5.1)
     redis-namespace (1.10.0)
       redis (>= 4)
@@ -851,7 +851,7 @@ DEPENDENCIES
   rails-i18n (~> 6.0)
   rails-settings-cached (~> 0.6)
   rdf-normalize (~> 0.5)
-  redcarpet (~> 3.5)
+  redcarpet (~> 3.6)
   redis (~> 4.5)
   redis-namespace (~> 1.10)
   rexml (~> 3.2)