Bump fabrication from 2.20.2 to 2.21.0 (#12527)

Bumps [fabrication](https://github.com/paulelliott/fabrication) from 2.20.2 to 2.21.0.
- [Release notes](https://github.com/paulelliott/fabrication/releases)
- [Changelog](https://github.com/paulelliott/fabrication/blob/master/Changelog.markdown)
- [Commits](https://github.com/paulelliott/fabrication/compare/2.20.2...2.21.0)

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

Gemfile.lock

@@ -239,7 +239,7 @@ GEM
     et-orbi (1.1.6)
       tzinfo
     excon (0.62.0)
-    fabrication (2.20.2)
+    fabrication (2.21.0)
     faker (2.7.0)
       i18n (>= 1.6, < 1.8)
     faraday (0.15.4)
@@ -709,7 +709,7 @@ DEPENDENCIES
   discard (~> 1.1)
   doorkeeper (~> 5.2)
   dotenv-rails (~> 2.7)
-  fabrication (~> 2.20)
+  fabrication (~> 2.21)
   faker (~> 2.7)
   fast_blank (~> 1.0)
   fastimage