Bump browserslist from 4.8.7 to 4.16.6 in /backend/assets

[dependabot[bot]]

Bumps browserslist from 4.8.7 to 4.16.6.

Changelog

Sourced from browserslist's changelog.

4.16.6

• Fixed npm-shrinkwrap.json support in --update-db (by Geoff Newman).

4.16.5

• Fixed unsafe RegExp (by Yeting Li).

4.16.4

• Fixed unsafe RegExp.
• Added artifactory support to --update-db (by Ittai Baratz).

4.16.3

• Fixed --update-db.

4.16.2

• Fixed --update-db (by @​ialarmedalien).

4.16.1

• Fixed Chrome 4 with mobileToDesktop (by Aron Woost).

4.16

• Add browserslist config query.

4.15

• Add TypeScript types (by Dmitry Semigradsky).

4.14.7

• Fixed Yarn Workspaces support to --update-db (by Fausto Núñez Alberro).
• Added browser changes to --update-db (by @​AleksandrSl).
• Added color output to --update-db.
• Updated package.funding to have link to our Open Collective.

4.14.6

• Fixed Yarn support in --update-db (by Ivan Storck).
• Fixed npm 7 support in --update-db.

4.14.5

• Fixed last 2 electron versions query (by Sergey Melyukov).

4.14.4

• Fixed Unknown version 59 of op_mob error.

4.14.3

• Update Firefox ESR.

4.14.2

• Fixed --update-db on Windows (by James Ross).
• Improved --update-db output.

4.14.1

• Added --update-db explanation (by Justin Zelinsky).

... (truncated)

Commits

• 6fe3614 Release 4.16.6 version
• 33ebac9 Update dependencies
• 2128170 Add support for npm-shrinkwrap files alongside package-lock (#595)
• 7cc2aed Release 4.16.5 version
• 27e4afd Update dependencies
• 1013a18 Fix version RegExp
• b879a1a Use Node.js 16 on CI
• bd1e9e0 Fix ReDoS (#593)
• 209adf9 Release 4.16.4 version
• 3e2ae3b Fix types
• Additional commits viewable in compare view

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