Bump acorn from 6.4.0 to 6.4.1 in /docusaurus/website (facebook#8656)

Bumps [acorn](https://github.com/acornjs/acorn) from 6.4.0 to 6.4.1.
- [Release notes](https://github.com/acornjs/acorn/releases)
- [Commits](acornjs/acorn@6.4.0...6.4.1)

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

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

Author: dependabot[bot]

docusaurus/website/yarn.lock

@@ -1327,9 +1327,9 @@ acorn-walk@^6.1.1:
   integrity sha512-7evsyfH1cLOCdAzZAd43Cic04yKydNx0cF+7tiA19p1XnLLPU4dpCQOqpjqwokFe//vS0QqfqqjCS2JkiIs0cA==
 
 acorn@^6.0.7, acorn@^6.2.1:
-  version "6.4.0"
-  resolved "https://registry.yarnpkg.com/acorn/-/acorn-6.4.0.tgz#b659d2ffbafa24baf5db1cdbb2c94a983ecd2784"
-  integrity sha512-gac8OEcQ2Li1dxIEWGZzsp2BitJxwkwcOm0zHAJLcPJaVvm58FRnk6RkuLRpU1EujipU2ZFODv2P9DLMfnV8mw==
+  version "6.4.1"
+  resolved "https://registry.yarnpkg.com/acorn/-/acorn-6.4.1.tgz#531e58ba3f51b9dacb9a6646ca4debf5b14ca474"
+  integrity sha512-ZVA9k326Nwrj3Cj9jlh3wGFutC2ZornPNARZwsNYqQYgN0EsV2d53w5RN/co65Ohn4sUAUtb1rSUAOD6XN9idA==
 
 address@1.1.2, address@^1.0.1:
   version "1.1.2"
@@ -7231,15 +7231,15 @@ react-dev-utils@^9.1.0:
     strip-ansi "5.2.0"
     text-table "0.2.0"
 
-react-dom@^16.11.0:
-  version "16.12.0"
-  resolved "https://registry.yarnpkg.com/react-dom/-/react-dom-16.12.0.tgz#0da4b714b8d13c2038c9396b54a92baea633fe11"
-  integrity sha512-LMxFfAGrcS3kETtQaCkTKjMiifahaMySFDn71fZUNpPHZQEzmk/GiAeIT8JSOrHB23fnuCOMruL2a8NYlw+8Gw==
+react-dom@^16.12.0:
+  version "16.13.0"
+  resolved "https://registry.yarnpkg.com/react-dom/-/react-dom-16.13.0.tgz#cdde54b48eb9e8a0ca1b3dc9943d9bb409b81866"
+  integrity sha512-y09d2c4cG220DzdlFkPTnVvGTszVvNpC73v+AaLGLHbkpy3SSgvYq8x0rNwPJ/Rk/CicTNgk0hbHNw1gMEZAXg==
   dependencies:
     loose-envify "^1.1.0"
     object-assign "^4.1.1"
     prop-types "^15.6.2"
-    scheduler "^0.18.0"
+    scheduler "^0.19.0"
 
 react-error-overlay@^6.0.3:
   version "6.0.4"
@@ -7328,10 +7328,10 @@ react-toggle@^4.1.1:
   dependencies:
     classnames "^2.2.5"
 
-react@^16.11.0:
-  version "16.12.0"
-  resolved "https://registry.yarnpkg.com/react/-/react-16.12.0.tgz#0c0a9c6a142429e3614834d5a778e18aa78a0b83"
-  integrity sha512-fglqy3k5E+81pA8s+7K0/T3DBCF0ZDOher1elBFzF7O6arXJgzyu/FW+COxFvAWXJoJN9KIZbT2LXlukwphYTA==
+react@^16.12.0:
+  version "16.13.0"
+  resolved "https://registry.yarnpkg.com/react/-/react-16.13.0.tgz#d046eabcdf64e457bbeed1e792e235e1b9934cf7"
+  integrity sha512-TSavZz2iSLkq5/oiE7gnFzmURKZMltmi193rm5HEoUDAXpzT9Kzw6oNZnGoai/4+fUnm7FqS5dwgUL34TujcWQ==
   dependencies:
     loose-envify "^1.1.0"
     object-assign "^4.1.1"
@@ -7747,10 +7747,10 @@ sax@^1.2.4, sax@~1.2.4:
   resolved "https://registry.yarnpkg.com/sax/-/sax-1.2.4.tgz#2816234e2378bddc4e5354fab5caa895df7100d9"
   integrity sha512-NqVDv9TpANUjFm0N8uM5GxL36UgKi9/atZw+x7YFnQ8ckwFGKrl4xX4yWtrey3UJm5nP1kUbnYgLopqWNSRhWw==
 
-scheduler@^0.18.0:
-  version "0.18.0"
-  resolved "https://registry.yarnpkg.com/scheduler/-/scheduler-0.18.0.tgz#5901ad6659bc1d8f3fdaf36eb7a67b0d6746b1c4"
-  integrity sha512-agTSHR1Nbfi6ulI0kYNK0203joW2Y5W4po4l+v03tOoiJKpTBbxpNhWDvqc/4IcOw+KLmSiQLTasZ4cab2/UWQ==
+scheduler@^0.19.0:
+  version "0.19.0"
+  resolved "https://registry.yarnpkg.com/scheduler/-/scheduler-0.19.0.tgz#a715d56302de403df742f4a9be11975b32f5698d"
+  integrity sha512-xowbVaTPe9r7y7RUejcK73/j8tt2jfiyTednOvHbA8JoClvMYCp+r8QegLwK/n8zWQAtZb1fFnER4XLBZXrCxA==
   dependencies:
     loose-envify "^1.1.0"
     object-assign "^4.1.1"