Bump faker from 2.8.0 to 2.8.1 (#12633)

Bumps [faker](https://github.com/faker-ruby/faker) from 2.8.0 to 2.8.1.
- [Release notes](https://github.com/faker-ruby/faker/releases)
- [Changelog](https://github.com/faker-ruby/faker/blob/master/CHANGELOG.md)
- [Commits](https://github.com/faker-ruby/faker/compare/v2.8.0...v2.8.1)

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

Gemfile.lock

@@ -240,7 +240,7 @@ GEM
       tzinfo
     excon (0.71.0)
     fabrication (2.21.0)
-    faker (2.8.0)
+    faker (2.8.1)
       i18n (>= 1.6, < 1.8)
     faraday (0.15.4)
       multipart-post (>= 1.2, < 3)