Bump octokit from 4.13.0 to 4.14.0

Bumps [octokit](https://github.com/octokit/octokit.rb) from 4.13.0 to 4.14.0.
- [Release notes](https://github.com/octokit/octokit.rb/releases)
- [Changelog](https://github.com/octokit/octokit.rb/blob/master/RELEASE.md)
- [Commits](octokit/octokit.rb@v4.13.0...v4.14.0)

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

Gemfile

@@ -1,7 +1,7 @@
 source 'https://rubygems.org'
 ruby File.read(File.expand_path('../.ruby-version', __FILE__)).strip
 
-gem 'octokit', '~> 4.13'
+gem 'octokit', '~> 4.14'
 gem 'middleman', '~> 4.3'
 gem 'middleman-syntax'
 gem 'middleman-blog'

Gemfile.lock

@@ -40,7 +40,7 @@ GEM
     ethon (0.11.0)
       ffi (>= 1.3.0)
     execjs (2.7.0)
-    faraday (0.15.3)
+    faraday (0.15.4)
       multipart-post (>= 1.2, < 3)
     faraday_middleware (0.12.2)
       faraday (>= 0.7.4, < 1.0)
@@ -137,7 +137,7 @@ GEM
     net-http-pipeline (1.0.1)
     nokogiri (1.10.1)
       mini_portile2 (~> 2.4.0)
-    octokit (4.13.0)
+    octokit (4.14.0)
       sawyer (~> 0.8.0, >= 0.5.3)
     padrino-helpers (0.13.3.4)
       i18n (~> 0.6, >= 0.6.7)
@@ -220,7 +220,7 @@ DEPENDENCIES
   middleman-sprockets (~> 4.0)
   middleman-syntax
   nokogiri (~> 1.10)
-  octokit (~> 4.13)
+  octokit (~> 4.14)
   pry
   pry-byebug
   puma (~> 3.12)