Bump color-string from 0.3.0 to 1.5.5

[dependabot]

Bumps color-string from 0.3.0 to 1.5.5.

Release notes

Sourced from color-string's releases.

1.5.5 (Patch/Security Release) - hwb() ReDos patch (low-severity)

Release notes copied verbatim from the commit message, which can be found here: 0789e21284c33d89ebc4ab4ca6f759b9375ac9d3

Discovered by Yeting Li, c/o Colin Ife via Snyk.io.
A ReDos (Regular Expression Denial of Service) vulnerability
was responsibly disclosed to me via email by Colin on
Mar 5 2021 regarding an exponential time complexity for
linearly increasing input lengths for hwb() color strings.
Strings reaching more than 5000 characters would see several
milliseconds of processing time; strings reaching more than
50,000 characters began seeing 1500ms (1.5s) of processing time.
The cause was due to a the regular expression that parses
hwb() strings - specifically, the hue value - where
the integer portion of the hue value used a 0-or-more quantifier
shortly thereafter followed by a 1-or-more quantifier.
This caused excessive backtracking and a cartesian scan,
resulting in exponential time complexity given a linear
increase in input length.
Thank you Yeting Li and Colin Ife for bringing this to my
attention in a secure, responsible and professional manner.
A CVE will not be assigned for this vulnerability.

1.5.4 (Patch Release)

• Removes rounding of alpha values in RGBA hex (#rrggbbaa) and condensed-hex (#rgba) parsers, which caused certain unique inputs to result in identical outputs (see https://github.com/qix-/color/issues/174).

Changelog

Sourced from color-string's changelog.

0.4.0

• Changed: Invalid conversions now return null instead of undefined
• Changed: Moved to XO standard
• Fixed: a few details in package.json
• Fixed: readme output regarding wrapped hue values (#21)

Commits

• 966ae4d 1.5.5
• 0789e21 fix ReDos in hwb() parser (low-severity)
• 60f3f66 1.5.4
• 6f7d6f1 don't fix alpha to 2 decimal points (ref qix-/color#174)
• ad1e511 1.5.3
• 38f6424 Adding missing export definition (#38)
• 2a7af31 better hsla regex (#37)
• 06c3ad4 1.5.2
• 0e08206 test against all latest versions of node
• 1915757 several fixes to hex string parsing
• Additional commits viewable in compare view

Maintainer changes

This version was pushed to npm by qix, a new releaser for color-string since your current version.

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