[Snyk] Security upgrade webpack-dev-server from 3.1.14 to 4.8.0

[sirinartk]

This PR was automatically created by Snyk using the credentials of a real user.

Snyk has created this PR to fix one or more vulnerable packages in the `npm` dependencies of this project.

Changes included in this PR

• Changes to the following files to upgrade the vulnerable dependencies to a fixed version:
  • testdata/react/package.json
  • testdata/react/package-lock.json

Vulnerabilities that will be fixed

With an upgrade:

Severity	Priority Score (*)	Issue	Breaking Change	Exploit Maturity
	823/1000 Why? Proof of Concept exploit, Recently disclosed, Has a fix available, CVSS 8.6	Server-side Request Forgery (SSRF) SNYK-JS-IP-6240864	Yes	Proof of Concept

(*) Note that the real score may have changed since the PR was raised.

Commit messages

Package name: webpack-dev-server

The new version differs by 250 commits.

• 5aad1e7 chore(release): 4.8.0
• 28ad7ed chore(deps): bump graceful-fs from 4.2.9 to 4.2.10 (#4368)
• 7920364 feat: export initialized socket client (#4304)
• 4e7800e chore: update webpack (#4367)
• fbda2a8 chore(deps-dev): bump body-parser from 1.19.2 to 1.20.0 (#4366)
• 67c080b chore(deps-dev): bump puppeteer from 13.5.1 to 13.5.2 (#4361)
• 56ec411 chore(deps): bump html-entities from 2.3.2 to 2.3.3 (#4358)
• ca8a53a chore: update deps and fix audit (#4356)
• 501f6aa chore(deps-dev): bump @ babel/runtime
• 7d2b4f0 chore(deps-dev): bump @ babel/core
• 95e26fe test: add cases for `webSocketURL` with `server` option (#4346)
• 84b4774 chore: migrate script for examples on `setupMiddlewares` option (#4347)
• a7ccab1 chore: replace deprecated String.prototype.substr() (#4343)
• 1bf2614 chore(deps-dev): bump lint-staged from 12.3.6 to 12.3.7 (#4344)
• 188497a chore(deps-dev): bump prettier from 2.5.1 to 2.6.0 (#4339)
• 7560a37 chore(deps-dev): bump lint-staged from 12.3.5 to 12.3.6 (#4341)
• dc2d6f7 chore(deps): bump http-proxy-middleware from 2.0.3 to 2.0.4 (#4333)
• 552e4ab chore(deps-dev): bump @ babel/runtime
• af3de07 chore(deps-dev): bump @ babel/core
• a80fa1f chore(deps): bump @ types/ws
• 457e1e5 chore(deps-dev): bump eslint from 8.10.0 to 8.11.0 (#4334)
• b48ff7f chore(deps-dev): bump puppeteer from 13.5.0 to 13.5.1 (#4330)
• 3ce15d4 chore(deps-dev): bump puppeteer from 13.4.1 to 13.5.0 (#4329)
• a892235 chore(deps-dev): bump lint-staged from 12.3.4 to 12.3.5 (#4328)

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