Bump markdown-to-jsx from 6.10.3 to 6.11.4

Bumps [markdown-to-jsx](https://github.com/probablyup/markdown-to-jsx) from 6.10.3 to 6.11.4.
- [Release notes](https://github.com/probablyup/markdown-to-jsx/releases)
- [Commits](quantizor/markdown-to-jsx@6.10.3...6.11.4)

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

Author: dependabot[bot]

package.json

@@ -18,7 +18,7 @@
     "gatsby-plugin-styled-components": "^3.0.7",
     "gatsby-source-filesystem": "^2.0.23",
     "gatsby-transformer-sharp": "^2.3.2",
-    "markdown-to-jsx": "^6.9.4",
+    "markdown-to-jsx": "^6.11.4",
     "prop-types": "^15.7.2",
     "react": "^16.8.4",
     "react-dom": "^16.8.4",

yarn.lock

@@ -7780,10 +7780,10 @@ map-visit@^1.0.0:
   dependencies:
     object-visit "^1.0.0"
 
-markdown-to-jsx@^6.9.4:
-  version "6.10.3"
-  resolved "https://registry.yarnpkg.com/markdown-to-jsx/-/markdown-to-jsx-6.10.3.tgz#7f0946684acd321125ff2de7fd258a9b9c7c40b7"
-  integrity sha512-PSoUyLnW/xoW6RsxZrquSSz5eGEOTwa15H5eqp3enmrp8esmgDJmhzd6zmQ9tgAA9TxJzx1Hmf3incYU/IamoQ==
+markdown-to-jsx@^6.11.4:
+  version "6.11.4"
+  resolved "https://registry.yarnpkg.com/markdown-to-jsx/-/markdown-to-jsx-6.11.4.tgz#b4528b1ab668aef7fe61c1535c27e837819392c5"
+  integrity sha512-3lRCD5Sh+tfA52iGgfs/XZiw33f7fFX9Bn55aNnVNUd2GzLDkOWyKYYD8Yju2B1Vn+feiEdgJs8T6Tg0xNokPw==
   dependencies:
     prop-types "^15.6.2"
     unquote "^1.1.0"