Merge pull request #35 from gmoraleda/dependabot/bundler/json-2.19.2

Bump json from 2.18.1 to 2.19.2

Author: gmoraleda

Gemfile.lock

@@ -86,7 +86,7 @@ GEM
       jekyll (>= 3.3, < 5.0)
     jekyll-watch (2.2.1)
       listen (~> 3.0)
-    json (2.18.1)
+    json (2.19.2)
     katex (0.10.0)
       execjs (~> 2.8)
     kramdown (2.4.0)