refactor: rename describe property to description for cli-flags

[snitin315]

• 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?

no

Motivation / Use-Case

need use description instead of describe because webpack and webpack-cli both uses description property for options.

This is helpful in the webpack --help output.

https://github.com/webpack/webpack-cli/blob/4dc1a05046aeaf5a17de878a9e595697852bcd32/packages/webpack-cli/lib/webpack-cli.js#L139-L141

Breaking Changes

no

Additional Info

no

[codecov]

Codecov Report

Merging #2953 (f7035c8) into master (2dd1093) will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff           @@
##           master    #2953   +/-   ##
=======================================
  Coverage   92.39%   92.39%           
=======================================
  Files          37       37           
  Lines        1263     1263           
  Branches      328      328           
=======================================
  Hits         1167     1167           
  Misses         91       91           
  Partials        5        5           

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[hiroppy]

I think this refactoring is not necessary /cc @alexander-akait

[snitin315]

Actually, it's a TODO in webpack-cli.

https://github.com/webpack/webpack-cli/blob/4dc1a05046aeaf5a17de878a9e595697852bcd32/packages/webpack-cli/lib/webpack-cli.js#L139-L141

[alexander-akait]

@hiroppy we need fix it, because webpack (inside core) uses description for options, so I think it is good fix

[hiroppy]

Yeah, I see but I didn't understand this context at first so please update the description. The current description of this PR is bad.

[snitin315]

Yeah, I should have used a better description. Updated 👍🏻

[snitin315]

@alexander-akait can we remove this TODO https://github.com/webpack/webpack-cli/blob/4dc1a05046aeaf5a17de878a9e595697852bcd32/packages/webpack-cli/lib/webpack-cli.js#L139-L141 ?

or we need to wait for a stable webpack-dev-server v4 release.