Update sugar requirement from ^1.4.1 to ^2.0.4

[dependabot-preview]

Updates the requirements on sugar to permit the latest version.

Changelog

Sourced from sugar's changelog.

v2.0.4

• Fixed issue with Typescript declarations not exporting all packages.

v2.0.3

• Updated Typescript declaration files to better handle modules.
• Added type guards to isString... declarations.
• Fixed issue with Range date unit methods on invalid ranges.

v2.0.2

• Added Typescript declaration files.

v2.0.1

• Fixed issues with locales not being ignored in modularized repos.

v2.0.0

API Changes

• Added global objects. All methods will also be defined here.
• Removed String#escapeRegExp. Use RegExp.escape instead.
• Changed String#escapeHTML to double-escape entities.
• Date#utc is now Date#setUTC.
• Date.SugarNewDate is now an option accessor Sugar.Date.setOption('newDateInternal', fn)
• Modified String#startsWith and String#endsWith to be more in compliance with ES6. See CAUTION.md for details.
• Removed String#has in favor of String#includes to be more in compliance with ES6. See CAUTION.md for details.
• Added Number.isNaN shim. Removed Object.isNaN in favor of this.
• Alphanumeric array options are now on the global object.
• Moved Object.map, Object.each, and Object.size to the object module.
• Added Object.isArguments.
• Changed String#each (renamed to String#forEach) to allow breaking the loop with false.
• Added ability for String#stripTags and Strip#removeTags to pass a callback.
• Made String#stripTags and String#removeTags much more robust.
• Removed String#normalize and will put into its own plugin module as String#toAscii later.
• Updated Array#sortBy to handle sorting on multiple properties (Issue #386, thanks to eric-weiser).
• Fixed String#unescapeHTML to handle HTML (and hex) codes. Also now handling  
• Added a third argument to Number#bytes to allow normal SI units.
• Object.merge updated to take an options object. Non-enumerable property support is now an option, as well as property descriptors. Resolver function now will not traverse further into a deep merge if it has been resolved with a function. Sugar global object continues the merge.
• Allowing a global thousands and decimal marker to be set.
• String#hankaku now makes a hyphen from hyphen-like fullwidth chars in number mode.

... (truncated)

Commits

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[dependabot-preview]

Superseded by #2.