security: Bump webpack-dev-server to 4.7.4

Created by: pedr0ni

Bumped webpack-dev-server to fix selfsigned library vulnerability.

requested review from @root

requested review from @root

Created by: facebook-github-bot

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added CLA Signed label

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Created by: helenwilliamson

bump as this is causing security warnings in my projects

Created by: thomassth

Any updates? It's been 4 months since #12055

Created by: OmegaDL2

Any updates?

Created by: samanehsan

Hello! Are there any updates on when this will get merged? @iansu @mrmckeb

restored source branch github/fork/pedr0ni/main