Bump SixLabors.ImageSharp from 3.1.3 to 3.1.4 in /DUWENINK.Captcha

[dependabot[bot]]

Bumps SixLabors.ImageSharp from 3.1.3 to 3.1.4.

Release notes

Sourced from SixLabors.ImageSharp's releases.

v3.1.4

What's Changed

• Backport - Only exit JPEG scan decoding after multiple EOF hits by @​JimBobSquarePants in SixLabors/ImageSharp#2702
• Ensure VP8X alpha flag is updated correctly. by @​JimBobSquarePants in SixLabors/ImageSharp#2699
• Backport APNG fix to release/3.1.x by @​SpaceCheetah in SixLabors/ImageSharp#2713
• Limit Read Palette Indices by @​JimBobSquarePants in SixLabors/ImageSharp#2718
• Limit all memory allocations in the MemoryAllocator layer by @​antonfirsov in SixLabors/ImageSharp#2706
• Clear Pixel Buffers on Decode. by @​JimBobSquarePants in SixLabors/ImageSharp#2716

Full Changelog: https://github.com/SixLabors/ImageSharp/compare/v3.1.3...v3.1.4

Commits

• da5f09a Merge pull request #2716 from SixLabors/js/clear-buffers
• b6b08ac Merge pull request #2706 from SixLabors/af/memlimit-01
• 572366e test allocation limits
• d1cc651 fix BmpDecoder_ThrowsException_Issue2696
• 4a26acb Merge pull request #2718 from SixLabors/js/check-palette-index
• fb64b33 Clamp read palette indices.
• 26d44ef Clear pixel buffers on decode.
• da49788 Revert additional changes
• eec9718 Merge branch 'release/3.1.x' into af/memlimit-01
• 8e6532a Merge pull request #2713 from SpaceCheetah/FixPngBackport
• Additional commits viewable in compare view

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