fix(docs): page Environment Variables -> 404 on link (#26539)

Author: gatsbybot

yarn.lock

@@ -1884,12 +1884,7 @@
     "@types/node" "*"
     form-data "^3.0.0"
 
-"@types/node@*":
-  version "14.0.27"
-  resolved "https://registry.yarnpkg.com/@types/node/-/node-14.0.27.tgz#a151873af5a5e851b51b3b065c9e63390a9e0eb1"
-  integrity sha512-kVrqXhbclHNHGu9ztnAwSncIgJv/FaxmzXJvGXNdcCpV1b8u1/Mi6z6m0vwy0LzKeXFTPLH0NzwmoJ3fNCIq0g==
-
-"@types/node@^8.5.7":
+"@types/node@*", "@types/node@^8.5.7":
   version "8.10.62"
   resolved "https://registry.yarnpkg.com/@types/node/-/node-8.10.62.tgz#8d0d0db44a46ae7679d92e2e36d41bf1c3625d6a"
   integrity sha512-76fupxOYVxk36kb7O/6KtrAPZ9jnSK3+qisAX4tQMEuGNdlvl7ycwatlHqjoE6jHfVtXFM3pCrCixZOidc5cuw==