Bump browserslist from 4.8.2 to 4.21.3

[dependabot]

Bumps browserslist from 4.8.2 to 4.21.3.

Changelog

Sourced from browserslist's changelog.

4.21.3

• Improved unknown region and unknown feature error (by Alexander Chabin).

4.21.2

• Updated Firefox ESR.

4.21.1

• Fixed parsing days in since query.

4.21

• IE 11 was added to dead and removed from defaults (by Albert Portnoy).
• Added browserslist.parse() to get config AST for analysis.
• Moved --update-db script to update-browserslist-db tool.
• Fixed Unicode BOM support in package.json.

4.20.4

• Fixed Opera in mobileToDesktop (by Pig Fang).

4.20.3

• Added Baidu to dead browsers (by Igor Lukanin).

4.20.2

• Fixed package.funding URL format.

4.20.1

• Fixed package.funding.
• Fixed docs (by Michael Lohmann).

4.20

• Added last 2 node versions and last 2 node major versions (by @​g-plane).

4.19.3

• Updated Firefox ESR (by Christophe Coevoet).

4.19.2

• Fixed --help output.

4.19.1

• Fixed throwOnMissing types (by Øyvind Saltvik).

4.19

• Added queries grammar definition (by Pig Fang).
• Added throwOnMissing option (by Øyvind Saltvik).
• Fixed null data ignoring in < 50% in CN (byPig Fang).
• Fixed data parsing in in my stats (by Sun Xiaoran).
• Fixed yarn.lock support with integrity (by Alexey Berezin).
• Fixed Yarn Berry error message in --update-db.

4.18.1

• Fixed case inventiveness for cover queries (by Pig Fang).

... (truncated)

Commits

• 2f4771f Release 4.21.3 version
• 6dac294 Update dependencies
• aea0b74 Throw errors on wrong feature and region names from Can I Use (#714)
• eb83bb3 Fix typo in throwOnMissing description (#713)
• ce01fd6 Add WebStorm plugin reference to README.md (#712)
• f61c1a3 Release 4.21.2 version
• 8cd0597 Update Firefox ESR
• 834ca86 Update dependencies
• 066c0fa Release 4.21.1 version
• 61baae0 Fix since query
• Additional commits viewable in compare view

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