docs: mention webpack-cli in migration docs

[wojtekmaj]

• This is a bugfix
• This is a feature
• This is a code refactor
• This is a test update
• This is a docs update
• This is a metadata update

For Bugs and Features; did you add new tests?

n/a

Motivation / Use-Case

Turns out, webpack-cli@<=4.4.0 crashes on webpack serve command when used with [email protected].
To prevent users from getting stuck or raising unnecessary bug reports, minimum compatible webpack-cli shall be mentioned in migration docs.

Breaking Changes

n/a

Additional Info

Crash on webpack-cli 4.2.0:

/node_modules/webpack-cli/lib/utils/arg-parser.js:59
    options.reduce((parserInstance, option) => {
            ^

TypeError: Cannot read property 'reduce' of undefined
    at argParser (/node_modules/webpack-cli/lib/utils/arg-parser.js:59:13)
    at WebpackCLI.argParser (/node_modules/webpack-cli/lib/webpack-cli.js:63:16)
    at Object.parseArgs [as default] (/node_modules/@webpack-cli/serve/lib/parseArgs.js:26:37)
    at serve (/node_modules/@webpack-cli/serve/lib/index.js:46:63)
    at run (/node_modules/webpack-cli/lib/utils/resolve-command.js:33:12)
    at Command.<anonymous> (/node_modules/webpack-cli/lib/utils/arg-parser.js:34:58)
    at Command.listener [as _actionHandler] (/node_modules/webpack-cli/node_modules/commander/index.js:426:31)
    at Command._parseCommand (/node_modules/webpack-cli/node_modules/commander/index.js:1002:14)
    at Command._dispatchSubcommand (/node_modules/webpack-cli/node_modules/commander/index.js:953:18)
    at Command._parseCommand (/node_modules/webpack-cli/node_modules/commander/index.js:970:12)

4.3.0 also produces an error:

[webpack-cli] Unable to load '@webpack-cli/serve' command
[webpack-cli] TypeError: devServerFlags is not iterable
    at /node_modules/@webpack-cli/serve/lib/index.js:28:43
    at WebpackCLI.makeCommand (/node_modules/webpack-cli/lib/webpack-cli.js:104:31)
    at ServeCommand.apply (/node_modules/@webpack-cli/serve/lib/index.js:10:19)
    at loadCommandByName (/node_modules/webpack-cli/lib/webpack-cli.js:626:35)
    at Command.<anonymous> (/node_modules/webpack-cli/lib/webpack-cli.js:1091:23)
    at Command.listener [as _actionHandler] (/node_modules/webpack-cli/node_modules/commander/index.js:922:31)
    at Command._parseCommand (/node_modules/webpack-cli/node_modules/commander/index.js:1503:14)
    at Command.parse (/node_modules/webpack-cli/node_modules/commander/index.js:1292:10)
    at Command.parseAsync (/node_modules/webpack-cli/node_modules/commander/index.js:1318:10)
    at WebpackCLI.run (/node_modules/webpack-cli/lib/webpack-cli.js:1123:28)

[snitin315]

Thanks!

[codecov]

Codecov Report

Merging #3682 (237a15d) into master (d10bcc3) will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff           @@
##           master    #3682   +/-   ##
=======================================
  Coverage   93.55%   93.55%           
=======================================
  Files          15       15           
  Lines        1318     1318           
  Branches      456      456           
=======================================
  Hits         1233     1233           
  Misses         78       78           
  Partials        7        7           

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[Ch2x]

[email protected] the same error，updated to 4.8.0 is worked

[wojtekmaj]

4.7.0 works as well. Huh.