build(deps): bump gatsby-plugin-mdx from 2.0.1 to 2.1.0 (#1825)

Bumps [gatsby-plugin-mdx](https://github.com/gatsbyjs/gatsby/tree/HEAD/packages/gatsby-plugin-mdx) from 2.0.1 to 2.1.0.
- [Release notes](https://github.com/gatsbyjs/gatsby/releases)
- [Changelog](https://github.com/gatsbyjs/gatsby/blob/master/packages/gatsby-plugin-mdx/CHANGELOG.md)
- [Commits](https://github.com/gatsbyjs/gatsby/commits/gatsby-plugin-mdx@2.1.0/packages/gatsby-plugin-mdx)

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

Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

package.json

@@ -32,7 +32,7 @@
     "gatsby-plugin-layout": "2.0.0",
     "gatsby-plugin-manifest": "3.1.0",
     "gatsby-plugin-material-ui": "2.1.10",
-    "gatsby-plugin-mdx": "2.0.1",
+    "gatsby-plugin-mdx": "2.1.0",
     "gatsby-plugin-preconnect": "1.2.0",
     "gatsby-plugin-react-helmet": "4.1.0",
     "gatsby-plugin-remove-serviceworker": "1.0.0",

yarn.lock

@@ -7632,10 +7632,10 @@ gatsby-plugin-material-ui@2.1.10:
     clean-css "^4.2.1"
     postcss "^7.0.17"
 
-gatsby-plugin-mdx@2.0.1:
-  version "2.0.1"
-  resolved "https://registry.yarnpkg.com/gatsby-plugin-mdx/-/gatsby-plugin-mdx-2.0.1.tgz#f3762a036ff9db5daa56dfdde313ddbdc67c05e3"
-  integrity sha512-wNMFTsa5u1KeESt3jyICy3fz5y3JhmKynFJ0J7YeTHm9EMoCclwfR4LRr1Mz9GLTIyWwvZEeVfwc7Vf5svXIvA==
+gatsby-plugin-mdx@2.1.0:
+  version "2.1.0"
+  resolved "https://registry.yarnpkg.com/gatsby-plugin-mdx/-/gatsby-plugin-mdx-2.1.0.tgz#1ae6d096016d40219fe254a1bf2fe9e7a4ce6e7a"
+  integrity sha512-0iSsPxCUTJMeTbozHVqczlgMAKxZJ4IkxOS5a6aTCwzrOOwIfc5YqcWQEBS3nfUF/azzEIejYuydyTMi68Y76A==
   dependencies:
     "@babel/core" "^7.12.3"
     "@babel/generator" "^7.12.5"
@@ -7652,11 +7652,11 @@ gatsby-plugin-mdx@2.0.1:
     escape-string-regexp "^1.0.5"
     eval "^0.1.4"
     fs-extra "^8.1.0"
-    gatsby-core-utils "^2.0.0"
+    gatsby-core-utils "^2.1.0"
     gray-matter "^4.0.2"
     json5 "^2.1.3"
     loader-utils "^1.4.0"
-    lodash "^4.17.20"
+    lodash "^4.17.21"
     mdast-util-to-string "^1.1.0"
     mdast-util-toc "^3.1.0"
     mime "^2.4.6"