Bump octokit from 4.18.0 to 4.19.0 (#11062)

* Bump octokit from 4.18.0 to 4.19.0

Bumps [octokit](https://github.com/octokit/octokit.rb) from 4.18.0 to 4.19.0.
- [Release notes](https://github.com/octokit/octokit.rb/releases)
- [Changelog](https://github.com/octokit/octokit.rb/blob/4-stable/RELEASE.md)
- [Commits](https://github.com/octokit/octokit.rb/compare/v4.18.0...v4.19.0)

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

* Bump octokit from 4.18.0 to 4.19.0 (Update vendor/cache)

Co-authored-by: dependabot-preview[bot] <27856297+dependabot-preview[bot]@users.noreply.github.com>

Gemfile

@@ -60,7 +60,7 @@ gem "liquid", "~> 4.0" # A secure, non-evaling end user template engine with aes
 gem "mini_racer", "~> 0.3.1" # Minimal embedded v8
 # gem "miro", "~> 0.4" # Extract colors from image
 gem "nokogiri", "~> 1.10" # HTML, XML, SAX, and Reader parser
-gem "octokit", "~> 4.16" # Simple wrapper for the GitHub API
+gem "octokit", "~> 4.19" # Simple wrapper for the GitHub API
 gem "oj", "~> 3.10" # JSON parser and object serializer
 gem "omniauth", "~> 1.9" # A generalized Rack framework for multiple-provider authentication
 gem "omniauth-facebook", "~> 7.0" # OmniAuth strategy for Facebook

Gemfile.lock

@@ -489,7 +489,7 @@ GEM
       multi_json (~> 1.3)
       multi_xml (~> 0.5)
       rack (>= 1.2, < 3)
-    octokit (4.18.0)
+    octokit (4.19.0)
       faraday (>= 0.9)
       sawyer (~> 0.8.0, >= 0.5.3)
     oj (3.10.15)
@@ -920,7 +920,7 @@ DEPENDENCIES
   mini_racer (~> 0.3.1)
   nakayoshi_fork (~> 0.0.4)
   nokogiri (~> 1.10)
-  octokit (~> 4.16)
+  octokit (~> 4.19)
   oj (~> 3.10)
   omniauth (~> 1.9)
   omniauth-facebook (~> 7.0)