build(deps): [security] bump browserslist from 4.4.1 to 4.16.6 in /site

Bumps [browserslist](https://github.com/browserslist/browserslist) from 4.4.1 to 4.16.6. **This update includes a security fix.**
- [Release notes](https://github.com/browserslist/browserslist/releases)
- [Changelog](https://github.com/browserslist/browserslist/blob/main/CHANGELOG.md)
- [Commits](https://github.com/browserslist/browserslist/compare/4.4.1...4.16.6)

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

site/yarn.lock

@@ -643,13 +643,15 @@ braces@^3.0.1, braces@^3.0.2:
     fill-range "^7.0.1"
 
 browserslist@^4.4.1:
-  version "4.4.1"
-  resolved "https://registry.yarnpkg.com/browserslist/-/browserslist-4.4.1.tgz#42e828954b6b29a7a53e352277be429478a69062"
-  integrity sha512-pEBxEXg7JwaakBXjATYw/D1YZh4QUSCX/Mnd/wnqSRPPSi1U39iDhDoKGoBUcraKdxDlrYqJxSI5nNvD+dWP2A==
+  version "4.16.6"
+  resolved "https://registry.yarnpkg.com/browserslist/-/browserslist-4.16.6.tgz#d7901277a5a88e554ed305b183ec9b0c08f66fa2"
+  integrity sha512-Wspk/PqO+4W9qp5iUTJsa1B/QrYn1keNCcEP5OvP7WBwT4KaDly0uONYmC6Xa3Z5IqnUgS0KcgLYu1l74x0ZXQ==
   dependencies:
-    caniuse-lite "^1.0.30000929"
-    electron-to-chromium "^1.3.103"
-    node-releases "^1.1.3"
+    caniuse-lite "^1.0.30001219"
+    colorette "^1.2.2"
+    electron-to-chromium "^1.3.723"
+    escalade "^3.1.1"
+    node-releases "^1.1.71"
 
 buffer-equal@^1.0.0:
   version "1.0.0"
@@ -725,10 +727,10 @@ camelcase@^3.0.0:
   resolved "https://registry.yarnpkg.com/camelcase/-/camelcase-3.0.0.tgz#32fc4b9fcdaf845fcdf7e73bb97cac2261f0ab0a"
   integrity sha1-MvxLn82vhF/N9+c7uXysImHwqwo=
 
-caniuse-lite@^1.0.30000929, caniuse-lite@^1.0.30000938:
-  version "1.0.30001032"
-  resolved "https://registry.yarnpkg.com/caniuse-lite/-/caniuse-lite-1.0.30001032.tgz#b8d224914e2cd7f507085583d4e38144c652bce4"
-  integrity sha512-8joOm7BwcpEN4BfVHtfh0hBXSAPVYk+eUIcNntGtMkUWy/6AKRCDZINCLe3kB1vHhT2vBxBF85Hh9VlPXi/qjA==
+caniuse-lite@^1.0.30000938, caniuse-lite@^1.0.30001219:
+  version "1.0.30001228"
+  resolved "https://registry.yarnpkg.com/caniuse-lite/-/caniuse-lite-1.0.30001228.tgz#bfdc5942cd3326fa51ee0b42fbef4da9d492a7fa"
+  integrity sha512-QQmLOGJ3DEgokHbMSA8cj2a+geXqmnpyOFT0lhQV6P3/YOJvGDEwoedcwxEQ30gJIwIIunHIicunJ2rzK5gB2A==
 
 caseless@~0.12.0:
   version "0.12.0"
@@ -1005,6 +1007,11 @@ color@^3.1.2:
     color-convert "^1.9.1"
     color-string "^1.5.2"
 
+colorette@^1.2.2:
+  version "1.2.2"
+  resolved "https://registry.yarnpkg.com/colorette/-/colorette-1.2.2.tgz#cbcc79d5e99caea2dbf10eb3a26fd8b3e6acfa94"
+  integrity sha512-MKGMzyfeuutC/ZJ1cba9NqcNpfeqMUcYmyF1ZFY6/Cn7CNSAKx6a+s48sqLqyAiZuaP2TcqMhoo+dlwFnVxT9w==
+
 combined-stream@^1.0.6, combined-stream@~1.0.6:
   version "1.0.7"
   resolved "https://registry.yarnpkg.com/combined-stream/-/combined-stream-1.0.7.tgz#2d1d24317afb8abe95d6d2c0b07b57813539d828"
@@ -1504,10 +1511,10 @@ ee-first@1.1.1:
   resolved "https://registry.yarnpkg.com/ee-first/-/ee-first-1.1.1.tgz#590c61156b0ae2f4f0255732a158b266bc56b21d"
   integrity sha1-WQxhFWsK4vTwJVcyoViyZrxWsh0=
 
-electron-to-chromium@^1.3.103:
-  version "1.3.113"
-  resolved "https://registry.yarnpkg.com/electron-to-chromium/-/electron-to-chromium-1.3.113.tgz#b1ccf619df7295aea17bc6951dc689632629e4a9"
-  integrity sha512-De+lPAxEcpxvqPTyZAXELNpRZXABRxf+uL/rSykstQhzj/B0l1150G/ExIIxKc16lI89Hgz81J0BHAcbTqK49g==
+electron-to-chromium@^1.3.723:
+  version "1.3.737"
+  resolved "https://registry.yarnpkg.com/electron-to-chromium/-/electron-to-chromium-1.3.737.tgz#196f2e9656f4f3c31930750e1899c091b72d36b5"
+  integrity sha512-P/B84AgUSQXaum7a8m11HUsYL8tj9h/Pt5f7Hg7Ty6bm5DxlFq+e5+ouHUoNQMsKDJ7u4yGfI8mOErCmSH9wyg==
 
 emoji-regex@^7.0.1:
   version "7.0.3"
@@ -1584,6 +1591,11 @@ es6-weak-map@^2.0.1:
     es6-iterator "^2.0.3"
     es6-symbol "^3.1.1"
 
+escalade@^3.1.1:
+  version "3.1.1"
+  resolved "https://registry.yarnpkg.com/escalade/-/escalade-3.1.1.tgz#d8cfdc7000965c5a0174b4a82eaa5c0552742e40"
+  integrity sha512-k0er2gUkLf8O0zKJiAhmkTnJlTvINGv7ygDNPbeIsX/TJjGJZHuh9B2UxbsaEkmlEo9MfhrSzmhIlhRlI2GXnw==
+
 escape-html@~1.0.3:
   version "1.0.3"
   resolved "https://registry.yarnpkg.com/escape-html/-/escape-html-1.0.3.tgz#0258eae4d3d0c0974de1c169188ef0051d1d1988"
@@ -3973,12 +3985,10 @@ node-pre-gyp@^0.10.0:
     semver "^5.3.0"
     tar "^4"
 
-node-releases@^1.1.3:
-  version "1.1.8"
-  resolved "https://registry.yarnpkg.com/node-releases/-/node-releases-1.1.8.tgz#32a63fff63c5e51b7e0f540ac95947d220fc6862"
-  integrity sha512-gQm+K9mGCiT/NXHy+V/ZZS1N/LOaGGqRAAJJs3X9Ah1g+CIbRcBgNyoNYQ+SEtcyAtB9KqDruu+fF7nWjsqRaA==
-  dependencies:
-    semver "^5.3.0"
+node-releases@^1.1.71:
+  version "1.1.72"
+  resolved "https://registry.yarnpkg.com/node-releases/-/node-releases-1.1.72.tgz#14802ab6b1039a79a0c7d662b610a5bbd76eacbe"
+  integrity sha512-LLUo+PpH3dU6XizX3iVoubUNheF/owjXCZZ5yACDxNnPtgFuludV1ZL3ayK1kVep42Rmm0+R9/Y60NQbZ2bifw==
 
 node-sass@^4.5.3:
   version "4.11.0"