chore(deps): update dependency webpack-cli to v7 (master)

[elastic-renovate-prod]

This PR contains the following updates:

Package	Type	Update	Change	Pending
webpack-cli (source)	devDependencies	major	6.0.1 -> 7.0.0	7.0.2 (+1)

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Release Notes

webpack/webpack-cli (webpack-cli)

v7.0.0

Compare Source

Major Changes

• The minimum supported version of Node.js is 20.9.0. (by @​alexander-akait in #​4677)

• Use dynamic import to load webpack.config.js, fallback to interpret only when configuration can't be load by dynamic import. Using dynamic imports allows you to take advantage of Node.js's built-in TypeScript support. (by @​alexander-akait in #​4677)

• Removed the --node-env argument in favor of the --config-node-env argument. (by @​alexander-akait in #​4677)

• The version command only output versions right now. (by @​alexander-akait in #​4677)

• Removed deprecated API, no action required unless you use import cli from "webpack-cli";/const cli = require("webpack-cli");. (by @​alexander-akait in #​4677)

Patch Changes

• Allow configuration freezing. (by @​alexander-akait in #​4677)

• Use graceful shutdown when file system cache is enabled. (by @​alexander-akait in #​4677)

• Performance improved. (by @​alexander-akait in #​4677)

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