V4: Gracefully handle LZW overflows

[JimBobSquarePants]

Prerequisites

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• I have provided test coverage for my change (where applicable)

Description

The same as #2880 but for V4.
@antonfirsov You'll like the benchmark. .NET 8 is flying!

BenchmarkDotNet v0.14.0, Windows 11 (10.0.26100.3037)
11th Gen Intel Core i7-11370H 3.30GHz, 1 CPU, 8 logical and 4 physical cores
.NET SDK 9.0.200-preview.0.25057.12
[Host] : .NET 8.0.12 (8.0.1224.60305), X64 RyuJIT AVX-512F+CD+BW+DQ+VL+VBMI
Job-TWXXIM : .NET 8.0.12 (8.0.1224.60305), X64 RyuJIT AVX-512F+CD+BW+DQ+VL+VBMI
Runtime=.NET 8.0 Arguments=/p:DebugType=portable IterationCount=3
LaunchCount=1 WarmupCount=3

Method	TestImage	Mean	Error	StdDev	Ratio	RatioSD	Gen0	Allocated	Alloc Ratio
'System.Drawing Gif'	Gif/rings.gif	298.7 us	84.00 us	4.60 us	1.00	0.02	-	168 B	1.00
'ImageSharp Gif'	Gif/rings.gif	345.1 us	18.31 us	1.00 us	1.16	0.02	1.4648	9584 B	57.05

[Copilot]

Copilot reviewed 3 out of 8 changed files in this pull request and generated no comments.

Files not reviewed (5)

• tests/Images/External/ReferenceOutput/GifDecoderTests/Issue2859_LZWPixelStackOverflow_Rgba32_issue_2859_A.gif/00.png: Language not supported
• tests/Images/External/ReferenceOutput/GifDecoderTests/Issue2859_LZWPixelStackOverflow_Rgba32_issue_2859_B.gif/00.png: Language not supported
• tests/Images/External/ReferenceOutput/GifDecoderTests/Issue2859_LZWPixelStackOverflow_Rgba32_issue_2859_B.gif/01.png: Language not supported
• tests/Images/Input/Gif/issues/issue_2859_A.gif: Language not supported
• tests/Images/Input/Gif/issues/issue_2859_B.gif: Language not supported