[MISC] (deps-dev): Bump github-pages from 210 to 211 in /docs (#1635)

Bumps [github-pages](https://github.com/github/pages-gem) from 210 to 211.
- [Release notes](https://github.com/github/pages-gem/releases)
- [Commits](https://github.com/github/pages-gem/compare/v210...v211)

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

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

docs/Gemfile.lock

@@ -34,7 +34,7 @@ GEM
     ffi (1.14.2)
     forwardable-extended (2.6.0)
     gemoji (3.0.1)
-    github-pages (210)
+    github-pages (211)
       github-pages-health-check (= 1.16.1)
       jekyll (= 3.9.0)
       jekyll-avatar (= 0.7.0)
@@ -76,7 +76,7 @@ GEM
       mercenary (~> 0.3)
       minima (= 2.5.1)
       nokogiri (>= 1.10.4, < 2.0)
-      rouge (= 3.23.0)
+      rouge (= 3.26.0)
       terminal-table (~> 1.4)
     github-pages-health-check (1.16.1)
       addressable (~> 2.3)
@@ -231,7 +231,7 @@ GEM
     rb-inotify (0.10.1)
       ffi (~> 1.0)
     rexml (3.2.4)
-    rouge (3.23.0)
+    rouge (3.26.0)
     ruby-enum (0.8.0)
       i18n
     ruby2_keywords (0.0.4)