Bump terser from 5.15.1 to 5.16.1

[dependabot[bot]]

Bumps terser from 5.15.1 to 5.16.1.

Changelog

Sourced from terser's changelog.

v5.16.1

• Properly handle references in destructurings (const { [reference]: val } = ...)
• Allow parsing of .#privatefield in nested classes
• Do not evaluate operations that return large strings if that would make the output code larger
• Make collapse_vars handle block scope correctly
• Internal improvements: Typos (#1311), more tests, small-scale refactoring

v5.16.0

• Disallow private fields in object bodies (#1011)
• Parse #privatefield in object (#1279)
• Compress #privatefield in object

Commits

• b90215a 5.16.1
• 319fe31 update changelog
• d941a11 mark computed properties in for..of initializers as used. Closes #1238
• 635400e move AST_Scope#drop_unused into its own file
• a192fac some cleanups
• dcc3030 add shadowed variable test
• 4d37f39 traverse exported code while hoisting object properties. Closes #1307
• 1e99e5d update test
• 68461d4 properly detect nested classes. Closes #1313
• b91e0ce docs: fix simple typo, concatentation -> concatenation (#1311)
• Additional commits viewable in compare view

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