Bump terser from 4.0.2 to 4.6.13

[dependabot-preview]

Bumps terser from 4.0.2 to 4.6.13.

Changelog

Sourced from terser's changelog.

v4.6.13

• Fixed issue where ES5 object properties were being turned into ES6 object properties due to more lax unicode rules.
• Fixed parsing of BigInt with lowercase e in them.

v4.6.12

• Fixed subtree comparison code, making it see that [1,[2, 3]] is different from [1, 2, [3]]
• Printing of unicode identifiers has been improved

v4.6.11

• Read unused classes' properties and method keys, to figure out if they use other variables.
• Prevent inlining into block scopes when there are name collisions
• Functions are no longer inlined into parameter defaults, because they live in their own special scope.
• When inlining identity functions, take into account the fact they may be used to drop this in function calls.
• Nullish coalescing operator (x ?? y), plus basic optimization for it.
• Template literals in binary expressions such as + have been further optimized

v4.6.10

• Do not use reduce_vars when classes are present

v4.6.9

• Check if block scopes actually exist in blocks

v4.6.8

• Take into account "executed bits" of classes like static properties or computed keys, when checking if a class evaluation might throw or have side effects.

v4.6.7

• Some new performance gains through a AST_Node.size() method which measures a node's source code length without printing it to a string first.
• An issue with setting --comments to false in the CLI has been fixed.
• Fixed some issues with inlining
• unsafe_symbols compress option was added, which turns Symbol("name") into just Symbol()
• Brought back compress performance improvement through the AST_Node.equivalent_to(other) method (which was reverted in v4.6.6).

v4.6.6

(hotfix release)

• Reverted code to 4.6.4 to allow for more time to investigate an issue.

v4.6.5 (REVERTED)

• Improved compress performance through using a new method to see if two nodes are equivalent, instead of printing them to a string.

v4.6.4

... (truncated)

Commits

• 056623c 4.6.13
• b0e3686 update changelog
• 8d8200c fix #678. when optimizing object properties, Terser should take care to not c...
• 29e6d1b fix more of #525
• 4f161d7 4.6.12
• 3729fae lint
• ea01f7d update changelog
• 7fda1de further fix the equivalent-to fix
• 5d25b74 remove output errors
• 2743c71 fix the equivalent_to fix
• Additional commits viewable in compare view

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[codecov]

Codecov Report

Merging #98 into master will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff           @@
##           master      #98   +/-   ##
=======================================
  Coverage   91.81%   91.81%           
=======================================
  Files           1        1           
  Lines         110      110           
  Branches       36       37    +1     
=======================================
  Hits          101      101           
  Misses          8        8           
  Partials        1        1           

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