Update dependency terser to v5.31.1

[renovate]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
terser (source)	5.24.0 -> 5.31.1

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Release Notes

terser/terser (terser)

v5.31.1

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• Allow drop-unused to drop the whole assignment (not just the assigned name) in more situations, in order to avoid duplication of long strings.

v5.31.0

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• Sync up property mangler exceptions with current contents of Firefox and Chrome environments
• Add more webcomponent properties to property mangler exceptions (#​1525)
• Drop non-nullish constants in ...spreads in objects (#​1141)

v5.30.4

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• Fix parsing #private in ... when next to other operators

v5.30.3

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• Fix precedence of #private in ... operator

v5.30.2

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• Avoid optimizations inside computed keys, because they can cause js-engine-specific bugs.

v5.30.1

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• Removed useless \ escapes for non-ascii characters
• Make modern identifier characters quoted for older environments (#​1512)

v5.30.0

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• Improve removal of classes referring to themselves

v5.29.2

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• Make sure 'computed_props' creates string keys
• Take into account the evaluated size when inlining

v5.29.1

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• fix optimisation of all-bits mask check

v5.29.0

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• Re-releases previously reverted 5.28.0
• Fix crash while optimizing some bitwise ops
• (internal) Remove needless wrapper for from_moz (#​1499)

v5.28.1

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(hotfix release)

• Reverts v5.28.0

v5.28.0

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• Optimise redundant or shrinkable bitwise operations (|, ^, &, >>, <<)
• Evaluate some BigInt math operations

v5.27.2

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• Recognise this as a reference to the surrounding class in drop_unused. Closes #​1472

v5.27.1

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• Fixed case where collapse_vars inlines await expressions into non-async functions.

v5.27.0

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• Created minify_sync() alternative to minify() since there's no async code left.

v5.26.0

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• Do not take the /*#__PURE__*/ annotation into account when the side_effects compress option is off.
• The preserve_annotations option now automatically opts annotation comments in, instead of requiring the comments option to be configured for this.
• Refuse to parse empty parenthesized expressions (())

v5.25.0

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• Regex properties added to reserved property mangler (#​1471)
• pure_new option added to drop unused new expressions.

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