Bump github-pages from 186 to 187

Bumps [github-pages](https://github.com/github/pages-gem) from 186 to 187.
- [Release notes](https://github.com/github/pages-gem/releases)
- [Commits](github/pages-gem@v186...v187)

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot-support

Gemfile.lock

@@ -30,7 +30,7 @@ GEM
     ffi (1.9.25)
     forwardable-extended (2.6.0)
     gemoji (3.0.0)
-    github-pages (186)
+    github-pages (187)
       activesupport (= 4.2.10)
       github-pages-health-check (= 1.8.1)
       jekyll (= 3.7.3)
@@ -49,7 +49,7 @@ GEM
       jekyll-relative-links (= 0.5.3)
       jekyll-remote-theme (= 0.3.1)
       jekyll-sass-converter (= 1.5.2)
-      jekyll-seo-tag (= 2.4.0)
+      jekyll-seo-tag (= 2.5.0)
       jekyll-sitemap (= 1.2.0)
       jekyll-swiss (= 0.4.0)
       jekyll-theme-architect (= 0.1.1)
@@ -81,7 +81,7 @@ GEM
       octokit (~> 4.0)
       public_suffix (~> 2.0)
       typhoeus (~> 1.3)
-    html-pipeline (2.8.0)
+    html-pipeline (2.8.3)
       activesupport (>= 2)
       nokogiri (>= 1.4)
     html-proofer (3.9.1)
@@ -148,7 +148,7 @@ GEM
       rubyzip (>= 1.2.1, < 3.0)
     jekyll-sass-converter (1.5.2)
       sass (~> 3.4)
-    jekyll-seo-tag (2.4.0)
+    jekyll-seo-tag (2.5.0)
       jekyll (~> 3.3)
     jekyll-sitemap (1.2.0)
       jekyll (~> 3.3)
@@ -216,7 +216,7 @@ GEM
       jekyll-seo-tag (~> 2.1)
     minitest (5.11.3)
     multipart-post (2.0.0)
-    nokogiri (1.8.2)
+    nokogiri (1.8.3)
       mini_portile2 (~> 2.3.0)
     octokit (4.9.0)
       sawyer (~> 0.8.0, >= 0.5.3)
@@ -249,7 +249,7 @@ GEM
       ethon (>= 0.9.0)
     tzinfo (1.2.5)
       thread_safe (~> 0.1)
-    unicode-display_width (1.3.3)
+    unicode-display_width (1.4.0)
     yell (2.0.7)
 
 PLATFORMS