chore: Properly typecheck gatsby (gatsbyjs#31519)

Co-authored-by: Kyle Mathews <mathews.kyle@gmail.com>

yarn.lock

@@ -230,12 +230,12 @@
   dependencies:
     "@babel/types" "^7.12.13"
 
-"@babel/helper-plugin-utils@7.10.4":
+"@babel/helper-plugin-utils@7.10.4", "@babel/helper-plugin-utils@^7.10.4":
   version "7.10.4"
   resolved "https://registry.yarnpkg.com/@babel/helper-plugin-utils/-/helper-plugin-utils-7.10.4.tgz#2f75a831269d4f677de49986dff59927533cf375"
   integrity sha512-O4KCvQA6lLiMU9l2eawBPMf1xPP8xPfB3iEQw150hOVTqj/rfXz0ThTb4HEzqQfs2Bmo5Ay8BzxfzVtBrr9dVg==
 
-"@babel/helper-plugin-utils@^7.0.0", "@babel/helper-plugin-utils@^7.10.4", "@babel/helper-plugin-utils@^7.12.13", "@babel/helper-plugin-utils@^7.13.0", "@babel/helper-plugin-utils@^7.8.0", "@babel/helper-plugin-utils@^7.8.3":
+"@babel/helper-plugin-utils@^7.0.0", "@babel/helper-plugin-utils@^7.12.13", "@babel/helper-plugin-utils@^7.13.0", "@babel/helper-plugin-utils@^7.8.0", "@babel/helper-plugin-utils@^7.8.3":
   version "7.13.0"
   resolved "https://registry.yarnpkg.com/@babel/helper-plugin-utils/-/helper-plugin-utils-7.13.0.tgz#806526ce125aed03373bc416a828321e3a6a33af"
   integrity sha512-ZPafIPSwzUlAoWT8DKs1W2VyF2gOWthGd5NGFMsBcMMol+ZhK+EQY/e6V96poa6PA/Bh+C9plWN0hXO1uB8AfQ==