[Snyk] Security upgrade webpack from 4.0.0 to 5.0.0

Changes to the following files to upgrade the vulnerable dependencies to a fixed version:
- package.json

Severity	Priority Score (*)	Issue	Breaking Change	Exploit Maturity
	713/1000 Why? Proof of Concept exploit, Recently disclosed, Has a fix available, CVSS 6.4	Prototype Pollution SNYK-JS-JSON5-3182856	Yes	Proof of Concept

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

Commit messages

Package name: webpack

The new version differs by 250 commits.

610f368 5.0.0
5ce65c1 update examples
bbe1230 Merge pull request #11628 from webpack/bugfix/real-content-hash
75ecff2 5.0.0-rc.6
bfc35d6 Merge pull request #11603 from MayaWolf/master
76e8cbd Merge pull request #11622 from webpack/dependabot/npm_and_yarn/types/node-13.13.25
9fd1be2 chore(deps-dev): bump @ types/node from 13.13.23 to 13.13.25
36bcfaa Merge pull request #11621 from webpack/bugfix/11619
9130d10 fix called variables with ProvidePlugin
3e42105 Merge pull request #11620 from webpack/bugfix/11617
4709719 skip connections copied to concatenated module
57b493f 5.0.0-rc.5
1658e2f Merge pull request #11618 from webpack/bugfix/11615
a8fb45d fixes crash in SideEffectsFlagPlugin
84b196d emit error instead of crashing when unexpected problem occurs
5573fed Merge pull request #11601 from Hornwitser/improve-suggested-polyfill-config
9b5cce9 Merge pull request #11609 from snitin315/export-types
37c495c export type RuleSetUseItem
39faf34 export type RuleSetUse
e5fd246 export type RuleSetConditionAbsolute
660baad export RuleSetCondition types
13e3ca5 Merge pull request #11602 from webpack/bugfix/shared-runtime-chunk
9c0587e Merge pull request #11606 from webpack/dependabot/npm_and_yarn/simple-git-2.21.0
502d166 Merge pull request #11607 from webpack/dependabot/npm_and_yarn/acorn-8.0.4