[Snyk] Security upgrade terser-webpack-plugin from 2.3.6 to 3.0.0

[vpetersson]

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

As this is a private repository, Snyk-bot does not have access. Therefore, this PR has been created automatically, but appears to have been created by a real user.

Changes included in this PR

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

Vulnerabilities that will be fixed

With an upgrade:

Severity	Priority Score (*)	Issue	Breaking Change	Exploit Maturity
	661/1000 Why? Recently disclosed, Has a fix available, CVSS 7.5	Regular Expression Denial of Service (ReDoS) SNYK-JS-SSRI-1085630	Yes	No Known Exploit

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

Commit messages

Package name: terser-webpack-plugin

The new version differs by 9 commits.

• 1f4812c chore(release): 3.0.0
• 91642a1 refactor: code
• 557781e refactor: remove the `chunkFilter` option
• c40a6ae refactor: code
• 974bc19 refactor: `extractComments.filename` option
• d509135 refactor: `warningsFilter` option (#236)
• 825ac94 refactor: `extractComments.filename` option
• 038a56b chore(deps): update (#234)
• 9aec83f refactor: code

See the full diff

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