[Snyk] Fix for 1 vulnerabilities

[snyk-bot]

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:
  • package.json
  • package-lock.json

Vulnerabilities that will be fixed

With an upgrade:

Severity	Issue	Breaking Change
	Information Disclosure SNYK-JS-KINDOF-537849	Yes

Commit messages

Package name: webpack-dev-server

The new version differs by 39 commits.

• 298341f chore(release): 2.11.4
• c42d0da fix: check origin header for websocket connection (#1626)
• 2be7196 chore: update dependencies in V2 branch, fix compatibility with Node 10 (#1715)
• 7cdfb74 2.11.3
• b71137e Increase sockjs-client version for security fix
• f33be5b 2.11.2
• dd32166 Fix support for DynamicEntryPlugin (#1319)
• ab4eeb0 Fix page not reloading after fixing first error on page (#1317)
• 83c1625 2.11.1
• 3aa15aa Merge pull request #1273 from yyx990803/master
• b78e249 fix: pin strip-ansi to 3.x for ES5 compat
• 8c1ed7a 2.11.0
• b0fa5f6 Merge pull request #1270 from yyx990803/client-refactor
• 676d590 revert to prepublish (fix ci)
• 449494f cleanup client build setup
• 6689cb8 adding test for dependency lock-down
• 3e220fe 2.10.1
• aaf7fce rollback yargs to 6.6.0
• ca8b5aa 2.10.0 (#1258)
• 17355f0 transpile client bundles with babel (#1242)
• ce30460 rolling back webpack-dev-midddleware 2.0, as it's node6+
• 00e8500 updating deps and patching as necessary
• 082ddae maint only mode
• c9c61f2 fix(package): Increase minimum `marked` version for ReDos vuln (#1255)

See the full diff

Check the changes in this PR to ensure they won't cause issues with your project.

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