Bump sharp from 0.25.2 to 0.26.3

[dependabot[bot]]

Bumps sharp from 0.25.2 to 0.26.3.

Changelog

Sourced from sharp's changelog.

v0.26.3 - 16th November 2020

• Expose libvips' affine operation. #2336 @guillevc

• Fallback to tar.gz for prebuilt libvips when Brotli not available. #2412 @ascorbic

v0.26.2 - 14th October 2020

• Add support for EXR input. Requires libvips compiled with OpenEXR. #698

• Ensure support for yarn v2. #2379 @jalovatt

• Add centre/center option to tile-based output. #2397 @beig

v0.26.1 - 20th September 2020

• Ensure correct pageHeight when verifying multi-page image dimensions. #2343 @derom

• Allow input density range up to 100000 DPI. #2348 @stefanprobst

• Ensure animation-related properties can be set for Stream-based input. #2369 @AcrylicShrimp

• Ensure stats can be calculated for 1x1 input. #2372

• Ensure animated GIF output is optimised. #2376

v0.26.0 - 25th August 2020

• Prebuilt libvips binaries are now statically-linked and Brotli-compressed, requiring Node.js 10.16.0+.

• TIFF output squash is replaced by bitdepth to reduce to 1, 2 or 4 bit.

• JPEG output quality >= 90 no longer automatically sets chromaSubsampling to 4:4:4.

... (truncated)

Commits

• c10888e Release v0.26.3
• 93455f8 Docs: changelog entry for #2412
• 65acd96 Install: conditionally use Brotli or gzip prebuilt libvips (#2412)
• fabe720 Docs: keyword search improvements
• 53dd313 CI: force build from source, req of prebuild-install v6+
• 2678d7a Bump dev dependencies
• 4671810 Docs: changelog for #2336
• 0f473fe Expose libvips affine operation (#2336)
• 2872602 Deps: upgrade to prebuild-install 6.0.0 (#2419)
• ab653ca Docs: use of N-API removes Electron-specific binaries
• Additional commits viewable in compare view

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