fix(gatsby-plugin-mdx): Reference style links broken in static builds (…

…gatsbyjs#30967)

Co-authored-by: gatsbybot <mathews.kyle+gatsbybot@gmail.com>

yarn.lock

@@ -1869,16 +1869,16 @@
     "@types/node" "*"
     form-data "^3.0.0"
 
-"@types/node@*", "@types/node@^8.5.7":
-  version "8.10.66"
-  resolved "https://registry.yarnpkg.com/@types/node/-/node-8.10.66.tgz#dd035d409df322acc83dff62a602f12a5783bbb3"
-  integrity sha512-tktOkFUA4kXx2hhhrB8bIFb5TbwzS4uOhKEmwiD+NoiL0qtP2OQ9mFldbgD4dV1djrlBYP6eBuQZiWjuHUpqFw==
-
-"@types/node@^14.14.10":
+"@types/node@*", "@types/node@^14.14.10":
   version "14.14.37"
   resolved "https://registry.yarnpkg.com/@types/node/-/node-14.14.37.tgz#a3dd8da4eb84a996c36e331df98d82abd76b516e"
   integrity sha512-XYmBiy+ohOR4Lh5jE379fV2IU+6Jn4g5qASinhitfyO71b/sCo6MKsMLF5tc7Zf2CE8hViVQyYSobJNke8OvUw==
 
+"@types/node@^8.5.7":
+  version "8.10.66"
+  resolved "https://registry.yarnpkg.com/@types/node/-/node-8.10.66.tgz#dd035d409df322acc83dff62a602f12a5783bbb3"
+  integrity sha512-tktOkFUA4kXx2hhhrB8bIFb5TbwzS4uOhKEmwiD+NoiL0qtP2OQ9mFldbgD4dV1djrlBYP6eBuQZiWjuHUpqFw==
+
 "@types/parse-json@^4.0.0":
   version "4.0.0"
   resolved "https://registry.yarnpkg.com/@types/parse-json/-/parse-json-4.0.0.tgz#2f8bb441434d163b35fb8ffdccd7138927ffb8c0"