Bump terser from 5.1.0 to 5.6.1

[dependabot]

Bumps terser from 5.1.0 to 5.6.1.

Changelog

Sourced from terser's changelog.

v5.6.1

• Mark assignments to the .prototype of a class as pure
• Parenthesize await on the left of ** (while accepting legacy non-parenthesised input)
• Avoided outputting NUL bytes in optimized RegExps, to stop the output from breaking other tools
• Added exports to domprops (#939)
• Fixed a crash when spreading ...this
• Fixed the computed size of arrow functions, which improves their inlining

v5.6.0

• Added top-level await
• Beautify option has been removed in #895
• Private properties, getters and setters have been added in #913 and some more commits
• Docs improvements: #896, #903, #916

v5.5.1

• Fixed object properties with unicode surrogates on safari.

v5.5.0

• Fixed crash when inlining uninitialized variable into template string.
• The sourcemap for dist was removed for being too large.

v5.4.0

• Logical assignment
• Change let x = undefined to just let x
• Removed some optimizations for template strings, placing them behind unsafe options. Reason: adding strings is not equivalent to template strings, due to valueOf differences.
• The AST_Token class was slimmed down in order to use less memory.

v5.3.8

• Restore node 13 support

v5.3.7

Hotfix release, fixes package.json "engines" syntax

v5.3.6

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

v5.3.5

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

... (truncated)

Commits

• d2927ef 5.6.1
• c3cbe94 update changelog
• 15fd4f5 mark assignments to the prototype of a class as pure. Closes #936
• 06040a8 parenthesise await on the left hand side of **. Closes #945
• 6b30ff5 avoid outputting NUL bytes when optimizing RegExps. Closes #942
• 2105d17 domprops.js: add exports (#939)
• c8e49de avoid spreading 'this' into an object
• 4a263ae fix size() of arrow functions, which was counting the fake return statement i...
• f388ed1 update changelog
• afb3665 5.6.0
• Additional commits viewable in compare view

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[dependabot]

Dependabot tried to add @XhmikosR as a reviewer to this PR, but received the following error from GitHub:

POST https://api.github.com/repos/javascript-indonesias/bootstrap/pulls/223/requested_reviewers: 422 - Reviews may only be requested from collaborators. One or more of the users or teams you specified is not a collaborator of the javascript-indonesias/bootstrap repository. // See: https://docs.github.com/rest/reference/pulls#request-reviewers-for-a-pull-request

[dependabot]

The following labels could not be found: v5.

[coveralls]

Pull Request Test Coverage Report for Build 679170802

• 0 of 0 changed or added relevant lines in 0 files are covered.
• No unchanged relevant lines lost coverage.
• Overall coverage decreased (-0.03%) to 94.765%

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Totals
Change from base Build 668756651:	-0.03%
Covered Lines:	2055
Relevant Lines:	2119

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💛 - Coveralls

[dependabot]

Superseded by #249.