[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

Vulnerabilities that will be fixed

With an upgrade:

Severity	Priority Score (*)	Issue	Breaking Change	Exploit Maturity
	768/1000 Why? Proof of Concept exploit, Recently disclosed, Has a fix available, CVSS 7.5	Prototype Pollution SNYK-JS-ASYNC-2441827	Yes	Proof of Concept

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

Commit messages

Package name: uglify-js

The new version differs by 250 commits.

• 33b5f31 v2.8.6
• 35a849d collapse assignment with adjacent subsequent usage (#1553)
• b70591b handle variable declaration within catch blocks (#1546)
• b33e7f8 improve `unsafe` on undefined (#1548)
• 1f0333e stay safe with constants in IE8- (#1547)
• eb98a7f fix handling of shebang and preamble (#1545)
• 78d1bb9 fix a corner case in #1530 (#1552)
• ea9ab9f resolve issue with outdated version of async (#1549)
• ce54c9c disallow collapse_vars constant replacement in for-in statements (#1543)
• 07accd2 process code with implicit return statement (#1522)
• 18059cc compress numerical expressions (#1513)
• b5e0e8c facilitate fix for #1531 (#1542)
• e5cb927 v2.8.5
• 17b8135 fix chained assignment with `unused` (#1540)
• 4d63d4f collapse_vars should not replace constant in for-in init section (#1538)
• 70d72ad properly cover all cases of for-in loop variables (#1536)
• fe9227a fix reference marking in for-in loops (#1535)
• b49e142 disable do{...}while(false) optimisation (#1534)
• ee3b39b optimize trivial IIFEs returning constants (#1530)
• 9699ffb trim unused invocation parameters (#1526)
• fdc9b94 minor improvement to string optimisation (#1514)
• 40ceddb v2.8.4
• 7aa6911 fix corner cases in `reduce_vars` (#1524)
• bff7ad6 v2.8.3

See the full diff

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