Bump browserslist from 4.16.3 to 4.16.6 in /playgrounds/javascript

Bumps [browserslist](https://github.com/browserslist/browserslist) from 4.16.3 to 4.16.6.
- [Release notes](https://github.com/browserslist/browserslist/releases)
- [Changelog](https://github.com/browserslist/browserslist/blob/main/CHANGELOG.md)
- [Commits](browserslist/browserslist@4.16.3...4.16.6)

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

Author: dependabot[bot]

playgrounds/javascript/yarn.lock

@@ -1317,15 +1317,15 @@ browserify-zlib@^0.2.0:
     pako "~1.0.5"
 
 browserslist@^4.0.0, browserslist@^4.1.0, browserslist@^4.14.5, browserslist@^4.16.3:
-  version "4.16.3"
-  resolved "https://registry.yarnpkg.com/browserslist/-/browserslist-4.16.3.tgz#340aa46940d7db878748567c5dea24a48ddf3717"
-  integrity sha512-vIyhWmIkULaq04Gt93txdh+j02yX/JzlyhLYbV3YQCn/zvES3JnY7TifHHvvr1w5hTDluNKMkV05cs4vy8Q7sw==
+  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 "^1.0.30001181"
-    colorette "^1.2.1"
-    electron-to-chromium "^1.3.649"
+    caniuse-lite "^1.0.30001219"
+    colorette "^1.2.2"
+    electron-to-chromium "^1.3.723"
     escalade "^3.1.1"
-    node-releases "^1.1.70"
+    node-releases "^1.1.71"
 
 buffer-equal@0.0.1:
   version "0.0.1"
@@ -1413,10 +1413,10 @@ caniuse-api@^3.0.0:
     lodash.memoize "^4.1.2"
     lodash.uniq "^4.5.0"
 
-caniuse-lite@^1.0.0, caniuse-lite@^1.0.30001181:
-  version "1.0.30001191"
-  resolved "https://registry.yarnpkg.com/caniuse-lite/-/caniuse-lite-1.0.30001191.tgz#bacb432b6701f690c8c5f7c680166b9a9f0843d9"
-  integrity sha512-xJJqzyd+7GCJXkcoBiQ1GuxEiOBCLQ0aVW9HMekifZsAVGdj5eJ4mFB9fEhSHipq9IOk/QXFJUiIr9lZT+EsGw==
+caniuse-lite@^1.0.0, caniuse-lite@^1.0.30001219:
+  version "1.0.30001230"
+  resolved "https://registry.yarnpkg.com/caniuse-lite/-/caniuse-lite-1.0.30001230.tgz#8135c57459854b2240b57a4a6786044bdc5a9f71"
+  integrity sha512-5yBd5nWCBS+jWKTcHOzXwo5xzcj4ePE/yjtkZyUV1BTUmrBaA9MRGC+e7mxnqXSA90CmCA8L3eKLaSUkt099IQ==
 
 caseless@~0.12.0:
   version "0.12.0"
@@ -1552,10 +1552,10 @@ color@^3.0.0:
     color-convert "^1.9.1"
     color-string "^1.5.4"
 
-colorette@^1.2.1:
-  version "1.2.1"
-  resolved "https://registry.yarnpkg.com/colorette/-/colorette-1.2.1.tgz#4d0b921325c14faf92633086a536db6e89564b1b"
-  integrity sha512-puCDz0CzydiSYOrnXpz/PKd69zRrribezjtE9yd4zvytoRc8+RY/KJPvtPFKZS3E3wP6neGyMe0vOTlHO5L3Pw==
+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 "1.0.8"
@@ -2067,10 +2067,10 @@ 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@^1.3.649:
-  version "1.3.672"
-  resolved "https://registry.yarnpkg.com/electron-to-chromium/-/electron-to-chromium-1.3.672.tgz#3a6e335016dab4bc584d5292adc4f98f54541f6a"
-  integrity sha512-gFQe7HBb0lbOMqK2GAS5/1F+B0IMdYiAgB9OT/w1F4M7lgJK2aNOMNOM622aEax+nS1cTMytkiT0uMOkbtFmHw==
+electron-to-chromium@^1.3.723:
+  version "1.3.739"
+  resolved "https://registry.yarnpkg.com/electron-to-chromium/-/electron-to-chromium-1.3.739.tgz#f07756aa92cabd5a6eec6f491525a64fe62f98b9"
+  integrity sha512-+LPJVRsN7hGZ9EIUUiWCpO7l4E3qBYHNadazlucBfsXBbccDFNKUBAgzE68FnkWGJPwD/AfKhSzL+G+Iqb8A4A==
 
 elliptic@^6.5.3:
   version "6.5.4"
@@ -3362,10 +3362,10 @@ node-libs-browser@^2.0.0:
     util "^0.11.0"
     vm-browserify "^1.0.1"
 
-node-releases@^1.1.70:
-  version "1.1.71"
-  resolved "https://registry.yarnpkg.com/node-releases/-/node-releases-1.1.71.tgz#cb1334b179896b1c89ecfdd4b725fb7bbdfc7dbb"
-  integrity sha512-zR6HoT6LrLCRBwukmrVbHv0EpEQjksO6GmFcZQQuCAy139BEsoVKPYnf3jongYW83fAa1torLGYwxxky/p28sg==
+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==
 
 normalize-path@^2.1.1:
   version "2.1.1"