Update webpack-dev-server requirement from ^4.2.0 to ^4.2.1

[dependabot[bot]]

Updates the requirements on webpack-dev-server to permit the latest version.

Release notes

Sourced from webpack-dev-server's releases.

v4.2.1

4.2.1 (2021-09-13)

Bug Fixes

• infinity loop for multi compiler mode (#3840) (e019bd2)
• reloading logic for multi compiler mode (#3841) (ef148ec)

Changelog

Sourced from webpack-dev-server's changelog.

4.2.1 (2021-09-13)

Bug Fixes

• infinity loop for multi compiler mode (#3840) (e019bd2)
• reloading logic for multi compiler mode (#3841) (ef148ec)

4.2.0 (2021-09-09)

Features

• added the http.ca option (CLI option added too) (should be used instead cacert, because we will remove it in the next major release in favor the https.ca option)
• added the https.crl option (CLI options added too), more information
• https.ca/https.cacert/ https.cert/https.crl/https.key/https.pfx options are now accept Arrays of Buffer/string/Path to file, using --https-*-reset CLI options you can reset these options
• https.pfx/https.key can be Object[], more information
• https options can now accept custom options, you can use:

module.exports = {
  // Other options
  devServer: {
    https: {
      // Allow to set additional TSL options https://nodejs.org/api/tls.html#tls_tls_createsecurecontext_options
      minVersion: "TLSv1.1",
      ca: path.join(httpsCertificateDirectory, "ca.pem"),
      pfx: path.join(httpsCertificateDirectory, "server.pfx"),
      key: path.join(httpsCertificateDirectory, "server.key"),
      cert: path.join(httpsCertificateDirectory, "server.crt"),
      passphrase: "webpack-dev-server",
    },
  }
};

Bug Fixes

• accept connections with file: and chrome-extensions: protocol by default (#3822) (138f064)
• close overlay on disconnection (#3825) (011bcf1)
• respect https.cacert option (#3820) (0002ebf)

4.1.1 (2021-09-07)

Bug Fixes

• improve the description of the magicHtml option (#3772) (b80610f)
• replace ansi-html with ansi-html-community to avoid CVE (#3801) (36fd214)

... (truncated)

Commits

• 612c050 chore(release): 4.2.1
• ef148ec fix: reloading logic for multi compiler mode (#3841)
• e019bd2 fix: infinity loop for multi compiler mode (#3840)
• fa593b5 chore(deps): bump strip-ansi from 7.0.0 to 7.0.1 (#3838)
• 5df8b6a chore(deps-dev): bump typescript from 4.4.2 to 4.4.3 (#3837)
• e6544e9 chore(deps-dev): bump webpack from 5.52.0 to 5.52.1 (#3839)
• cf330f4 test: add snapshots for page errors (#3835)
• 4a863d4 docs: improve bonjour example (#3834)
• 8cc4e1b ci: update node 16 in ci (#3833)
• f812e01 docs: improve http2 example (#3832)
• Additional commits viewable in compare view

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