[Snyk] Security upgrade webpack-dev-server from 3.1.14 to 3.11.0

[snyk-bot]

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

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Changes included in this PR

• Changes to the following files to upgrade the vulnerable dependencies to a fixed version:
  • examples/preact/package.json

Vulnerabilities that will be fixed

With an upgrade:

Severity	Issue	Breaking Change	Exploit Maturity
	Prototype Pollution SNYK-JS-YARGSPARSER-560381	No	Proof of Concept

Commit messages

Package name: webpack-dev-server

The new version differs by 250 commits.

• 4ab1f21 chore(release): 3.11.0
• 0e51fb1 fix: invalidate route (No ripples in IconMenu on tablet (Nexus 7) mui/material-ui#2584)
• f857c40 chore: deps and tests
• 41d1d0c fix(deps): security vulnerability in yargs-parser (MenuItem right icons are not styleable if desktop=false mui/material-ui#2566)
• 375ab23 ci: add node@14 (A way to be able to turn off autoprefixer mui/material-ui#2530)
• 776e7d4 chore(deps): update dependency html-entities to ^1.3.1 (master) (Add information on gitter channel to the docs mui/material-ui#2513)
• 984536c chore: update lint-staged config (text field getValue from dynamic function error mui/material-ui#2524)
• 89ffb86 feat: add invalidate endpoint (Proposal: mui-themeable higher order component mui/material-ui#2493)
• 0e9bffb chore(deps): update all patch dependencies (Slightly improve how the props table is generated. mui/material-ui#2508)
• 99ccfd8 fix: update jquery (Fix typo in table doc page mui/material-ui#2516)
• 06583f2 fix: do not swallow errors from server ([CardHeader] Rename actAsExpander mui/material-ui#2512)
• 0d5c681 fix(server): don't crash on setupExitSignals(undefined) ([Doc] Convert LeftNav to use the new standard. mui/material-ui#2507)
• c436058 chore(deps): update all patch dependencies (master) (patch) (Fix selectable=false still selects rows mui/material-ui#2503)
• 4808abd feat(progess): emit progress-update (Fix typo for arguments. mui/material-ui#2498)
• adeb92e feat: allow open option to accept an object ([docs] fixed webpack config for production mui/material-ui#2492)
• c6bdfe4 feat(contentBasePublicPath): allow multiple paths ([Doc] Migrate Badge to the new format mui/material-ui#2489)
• f317358 chore(deps): update all patch dependencies (master) (patch) (CSS box sizing issues when using normalize.css mui/material-ui#2481)
• de763e9 chore(deps): update all minor dependencies (master) (minor) ([Divider] Initial implementation mui/material-ui#2473)
• f7b6fa1 chore(deps): update package-lock.json ([Appbar] onLeftIconButtonTouchTap event doesn't fire mui/material-ui#2482)
• 3bf43a7 chore(deps): update all patch dependencies ([Popover] change children from object to node mui/material-ui#2477)
• 12d76be docs: fix typos across the project (Date Picker doesn't work on iPhone5 mui/material-ui#2452)
• 9a6e4a1 chore(deps): update all patch dependencies ([Docs] Provide a getting-the-latest-changes section mui/material-ui#2468)
• d4739f8 chore(deps): update dependency husky to v4 ([IconMenu] Add open, onRequestChange properties, fix #2341 mui/material-ui#2383)
• 5f357f3 chore(deps): update all patch dependencies ([Menu] Does not display in Popover mui/material-ui#2450)

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