[wp-trac] [WordPress Trac] #53685: Update the `caniuse` database when running `grunt precommit:css`

[WordPress Trac]

#53685: Update the `caniuse` database when running `grunt precommit:css`
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 Reporter:  desrosj           |      Owner:  (none)
     Type:  defect (bug)      |     Status:  new
 Priority:  normal            |  Milestone:  Awaiting Review
Component:  Build/Test Tools  |    Version:
 Severity:  normal            |   Keywords:
  Focuses:  css               |
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 The `autoprefixer` dependency is responsible for applying browser specific
 prefixing and other changes to Core CSS generated from Sass files. It
 relies on the `browserslist` package, which in turn relies on the
 `caniuse-lite` database for determining which browser versions are
 supported for the project based on the `browserslist` field in the
 `package.json` file.

 The `caniuse-lite` data is updated pretty frequently (several times a
 month), but unless it is manually updated, the data used is most likely
 outdated. This can result in unsupported browsers being considered
 supported due to outdated data.

 When `grunt precommit:css` is run, the script should check whether
 `browserslist` is at the latest version to ensure the generated CSS
 supports the correct browsers.

 The recommended way to do this is running `npx browserslist at latest
 --update-db`.

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Ticket URL: <https://core.trac.wordpress.org/ticket/53685>
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