chore(deps): bump browserslist from 4.8.6 to 4.21.4 in /example

Bumps [browserslist](https://github.com/browserslist/browserslist) from 4.8.6 to 4.21.4.
- [Release notes](https://github.com/browserslist/browserslist/releases)
- [Changelog](https://github.com/browserslist/browserslist/blob/main/CHANGELOG.md)
- [Commits](browserslist/browserslist@4.8.6...4.21.4)

---
updated-dependencies:
- dependency-name: browserslist
  dependency-type: indirect
...

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

example/yarn.lock

@@ -1342,25 +1342,15 @@ browserify-zlib@^0.2.0:
   dependencies:
     pako "~1.0.5"
 
-browserslist@^4.0.0, browserslist@^4.8.5:
-  version "4.8.6"
-  resolved "https://registry.yarnpkg.com/browserslist/-/browserslist-4.8.6.tgz#96406f3f5f0755d272e27a66f4163ca821590a7e"
-  integrity sha512-ZHao85gf0eZ0ESxLfCp73GG9O/VTytYDIkIiZDlURppLTI9wErSM/5yAKEq6rcUdxBLjMELmrYUJGg5sxGKMHg==
-  dependencies:
-    caniuse-lite "^1.0.30001023"
-    electron-to-chromium "^1.3.341"
-    node-releases "^1.1.47"
-
-browserslist@^4.16.0, browserslist@^4.16.6, browserslist@^4.17.5, browserslist@^4.6.6:
-  version "4.19.1"
-  resolved "https://registry.yarnpkg.com/browserslist/-/browserslist-4.19.1.tgz#4ac0435b35ab655896c31d53018b6dd5e9e4c9a3"
-  integrity sha512-u2tbbG5PdKRTUoctO3NBD8FQ5HdPh1ZXPHzp1rwaa5jTc+RV9/+RlWiAIKmjRPQF+xbGM9Kklj5bZQFa2s/38A==
-  dependencies:
-    caniuse-lite "^1.0.30001286"
-    electron-to-chromium "^1.4.17"
-    escalade "^3.1.1"
-    node-releases "^2.0.1"
-    picocolors "^1.0.0"
+browserslist@^4.0.0, browserslist@^4.16.0, browserslist@^4.16.6, browserslist@^4.17.5, browserslist@^4.6.6, browserslist@^4.8.5:
+  version "4.21.4"
+  resolved "https://registry.yarnpkg.com/browserslist/-/browserslist-4.21.4.tgz#e7496bbc67b9e39dd0f98565feccdcb0d4ff6987"
+  integrity sha512-CBHJJdDmgjl3daYjN5Cp5kbTf1mUhZoS+beLklHIvkOWscs83YAhLlF3Wsh/lciQYAcbBJgTOD44VtG31ZM4Hw==
+  dependencies:
+    caniuse-lite "^1.0.30001400"
+    electron-to-chromium "^1.4.251"
+    node-releases "^2.0.6"
+    update-browserslist-db "^1.0.9"
 
 buffer-from@^1.0.0:
   version "1.1.2"
@@ -1413,15 +1403,10 @@ caniuse-api@^3.0.0:
     lodash.memoize "^4.1.2"
     lodash.uniq "^4.5.0"
 
-caniuse-lite@^1.0.0, caniuse-lite@^1.0.30001023:
-  version "1.0.30001025"
-  resolved "https://registry.yarnpkg.com/caniuse-lite/-/caniuse-lite-1.0.30001025.tgz#30336a8aca7f98618eb3cf38e35184e13d4e5fe6"
-  integrity sha512-SKyFdHYfXUZf5V85+PJgLYyit27q4wgvZuf8QTOk1osbypcROihMBlx9GRar2/pIcKH2r4OehdlBr9x6PXetAQ==
-
-caniuse-lite@^1.0.30001286:
-  version "1.0.30001299"
-  resolved "https://registry.yarnpkg.com/caniuse-lite/-/caniuse-lite-1.0.30001299.tgz#d753bf6444ed401eb503cbbe17aa3e1451b5a68c"
-  integrity sha512-iujN4+x7QzqA2NCSrS5VUy+4gLmRd4xv6vbBBsmfVqTx8bLAD8097euLqQgKxSVLvxjSDcvF1T/i9ocgnUFexw==
+caniuse-lite@^1.0.0, caniuse-lite@^1.0.30001400:
+  version "1.0.30001434"
+  resolved "https://registry.yarnpkg.com/caniuse-lite/-/caniuse-lite-1.0.30001434.tgz#ec1ec1cfb0a93a34a0600d37903853030520a4e5"
+  integrity sha512-aOBHrLmTQw//WFa2rcF1If9fa3ypkC1wzqqiKHgfdrXTWcU8C4gKVZT77eQAPWN1APys3+uQ0Df07rKauXGEYA==
 
 caseless@~0.12.0:
   version "0.12.0"
@@ -1969,15 +1954,10 @@ ejs@^3.1.6:
   dependencies:
     jake "^10.6.1"
 
-electron-to-chromium@^1.3.341:
-  version "1.3.345"
-  resolved "https://registry.yarnpkg.com/electron-to-chromium/-/electron-to-chromium-1.3.345.tgz#2569d0d54a64ef0f32a4b7e8c80afa5fe57c5d98"
-  integrity sha512-f8nx53+Z9Y+SPWGg3YdHrbYYfIJAtbUjpFfW4X1RwTZ94iUG7geg9tV8HqzAXX7XTNgyWgAFvce4yce8ZKxKmg==
-
-electron-to-chromium@^1.4.17:
-  version "1.4.46"
-  resolved "https://registry.yarnpkg.com/electron-to-chromium/-/electron-to-chromium-1.4.46.tgz#c88a6fedc766589826db0481602a888864ade1ca"
-  integrity sha512-UtV0xUA/dibCKKP2JMxOpDtXR74zABevuUEH4K0tvduFSIoxRVcYmQsbB51kXsFTX8MmOyWMt8tuZAlmDOqkrQ==
+electron-to-chromium@^1.4.251:
+  version "1.4.284"
+  resolved "https://registry.yarnpkg.com/electron-to-chromium/-/electron-to-chromium-1.4.284.tgz#61046d1e4cab3a25238f6bf7413795270f125592"
+  integrity sha512-M8WEXFuKXMYMVr45fo8mq0wUrrJHheiKZf6BArTKk9ZBYCKJEOU5H8cdWgDT+qCVZf7Na4lVUaZsA+h6uA9+PA==
 
 elliptic@^6.0.0:
   version "6.5.2"
@@ -3245,17 +3225,10 @@ node-gyp-build@^4.2.3, node-gyp-build@^4.3.0:
   resolved "https://registry.yarnpkg.com/node-gyp-build/-/node-gyp-build-4.3.0.tgz#9f256b03e5826150be39c764bf51e993946d71a3"
   integrity sha512-iWjXZvmboq0ja1pUGULQBexmxq8CV4xBhX7VDOTbL7ZR4FOowwY/VOtRxBN/yKxmdGoIp4j5ysNT4u3S2pDQ3Q==
 
-node-releases@^1.1.47:
-  version "1.1.48"
-  resolved "https://registry.yarnpkg.com/node-releases/-/node-releases-1.1.48.tgz#7f647f0c453a0495bcd64cbd4778c26035c2f03a"
-  integrity sha512-Hr8BbmUl1ujAST0K0snItzEA5zkJTQup8VNTKNfT6Zw8vTJkIiagUPNfxHmgDOyfFYNfKAul40sD0UEYTvwebw==
-  dependencies:
-    semver "^6.3.0"
-
-node-releases@^2.0.1:
-  version "2.0.1"
-  resolved "https://registry.yarnpkg.com/node-releases/-/node-releases-2.0.1.tgz#3d1d395f204f1f2f29a54358b9fb678765ad2fc5"
-  integrity sha512-CqyzN6z7Q6aMeF/ktcMVTzhAHCEpf8SOarwpzpf8pNBY2k5/oM34UHldUwp8VKI7uxct2HxSRdJjBaZeESzcxA==
+node-releases@^2.0.6:
+  version "2.0.6"
+  resolved "https://registry.yarnpkg.com/node-releases/-/node-releases-2.0.6.tgz#8a7088c63a55e493845683ebf3c828d8c51c5503"
+  integrity sha512-PiVXnNuFm5+iYkLBNeq5211hvO38y63T0i2KKh2KnUs3RpzJ+JtODFjkD8yjLwnDkTYF1eKXheUwdssR+NRZdg==
 
 normalize-url@^6.0.1:
   version "6.1.0"
@@ -4623,6 +4596,14 @@ unpipe@~1.0.0:
   resolved "https://registry.yarnpkg.com/unpipe/-/unpipe-1.0.0.tgz#b2bf4ee8514aae6165b4817829d21b2ef49904ec"
   integrity sha1-sr9O6FFKrmFltIF4KdIbLvSZBOw=
 
+update-browserslist-db@^1.0.9:
+  version "1.0.10"
+  resolved "https://registry.yarnpkg.com/update-browserslist-db/-/update-browserslist-db-1.0.10.tgz#0f54b876545726f17d00cd9a2561e6dade943ff3"
+  integrity sha512-OztqDenkfFkbSG+tRxBeAnCVPckDBcvibKd35yDONx6OU8N7sqgwc7rCbkJ/WcYtVRZ4ba68d6byhC21GFh7sQ==
+  dependencies:
+    escalade "^3.1.1"
+    picocolors "^1.0.0"
+
 uri-js@^4.2.2:
   version "4.2.2"
   resolved "https://registry.yarnpkg.com/uri-js/-/uri-js-4.2.2.tgz#94c540e1ff772956e2299507c010aea6c8838eb0"