chore(deps): update dependency terser to ^5.3.8

[renovate]

This PR contains the following updates:

Package	Type	Update	Change
terser (source)	devDependencies	patch	^5.3.3 -> ^5.3.8

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Release Notes

terser/terser

v5.3.8

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• Restore node 13 support

v5.3.7

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Hotfix release, fixes package.json "engines" syntax

v5.3.6

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• Fixed parentheses when outputting ?? mixed with || and &&
• Improved hygiene of the symbol generator

v5.3.5

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• Avoid moving named functions into default exports.
• Enabled transform() for chain expressions. This allows AST transformers to reach inside chain expressions.

v5.3.4

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• Fixed a crash when hoisting (with hoist_vars) a destructuring variable declaration

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