Merge pull request #11107 from Homebrew/dependabot/bundler/docs/html-proofer-3.19.0

build(deps-dev): bump html-proofer from 3.18.8 to 3.19.0 in /docs

docs/Gemfile.lock

@@ -22,8 +22,8 @@ GEM
     em-websocket (0.5.2)
       eventmachine (>= 0.12.9)
       http_parser.rb (~> 0.6.0)
-    ethon (0.12.0)
-      ffi (>= 1.3.0)
+    ethon (0.13.0)
+      ffi (>= 1.15.0)
     eventmachine (1.2.7)
     execjs (2.7.0)
     faraday (1.3.0)
@@ -87,7 +87,7 @@ GEM
     html-pipeline (2.14.0)
       activesupport (>= 2)
       nokogiri (>= 1.4)
-    html-proofer (3.18.8)
+    html-proofer (3.19.0)
       addressable (~> 2.3)
       mercenary (~> 0.3)
       nokogumbo (~> 2.0)
@@ -220,10 +220,10 @@ GEM
       jekyll-seo-tag (~> 2.1)
     minitest (5.14.4)
     multipart-post (2.1.1)
-    nokogiri (1.11.2)
+    nokogiri (1.11.3)
       mini_portile2 (~> 2.5.0)
       racc (~> 1.4)
-    nokogumbo (2.0.4)
+    nokogumbo (2.0.5)
       nokogiri (~> 1.8, >= 1.8.4)
     octokit (4.20.0)
       faraday (>= 0.9)