chore(deps): update dependency @ctrl/tinycolor to v4.2.1

[renovate]

This PR contains the following updates:

Package	Change	Age	Confidence
@ctrl/tinycolor (source)	4.2.0 → 4.2.1

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Release Notes

scttcper/tinycolor (@​ctrl/tinycolor)

v4.2.1

Compare Source

Patch release focused on performance and bug fixes, with no new APIs or features.

• Speed up hex and named-color parsing, hex formatting, channel normalization, and contrast calculations. Reuse parsed colors when selecting readable text. (#​262)
• Handle empty candidate lists in mostReadable: return null without fallback, or choose black/white when fallback colors are enabled.
• Add regression coverage for invalid names, uppercase custom color values, hex shortening, and tied candidates.
• Benchmark freshly built output through Node's native module loader, including rebuilds in watch mode.

Local compiled-build measurements at 061fdb8 against pre-change master on Node 24.16.0. Times are medians of nine alternating runs after warmup, with 100,000 operations per run.

Workflow	Before	After	Throughput gain
Hex parsing	28.91 ms	17.74 ms	1.63x
Bare hex parsing	35.31 ms	23.43 ms	1.51x
Named colors	30.22 ms	18.19 ms	1.66x
Hex formatting	8.69 ms	3.84 ms	2.26x
Hex8 formatting	9.93 ms	5.09 ms	1.95x
HSL formatting	10.64 ms	8.74 ms	1.22x
Percentage formatting	9.52 ms	9.19 ms	1.04x
Parse and format	60.63 ms	53.24 ms	1.14x
Lighten and saturate	125.50 ms	101.05 ms	1.24x
Mixing colors	122.34 ms	90.85 ms	1.35x
Analogous palette	309.43 ms	252.93 ms	1.22x
Contrast calculation	65.65 ms	37.43 ms	1.75x
Selecting readable text	294.96 ms	75.18 ms	3.92x

Full changelog: scttcper/tinycolor@v4.2.0...v4.2.1

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