Bump sharp from 0.25.4 to 0.28.0

[dependabot-preview]

Bumps sharp from 0.25.4 to 0.28.0.

Changelog

Sourced from sharp's changelog.

v0.28.0 - 29th March 2021

• Prebuilt binaries now include mozjpeg and libimagequant (BSD 2-Clause).

• Prebuilt binaries limit AVIF support to the most common 8-bit depth.

• Add mozjpeg option to jpeg method, sets mozjpeg defaults.

• Reduce the default PNG compressionLevel to the more commonly used 6.

• Reduce concurrency on glibc-based Linux when using the default memory allocator to help prevent fragmentation.

• Default missing edge properties of extend operation to zero. #2578

• Ensure composite does not clip top and left offsets. #2594 @SHG42

• Improve error handling of network failure at install time. #2608 @abradley

• Ensure @id attribute can be set for IIIF tile-based output. #2612 @edsilv

• Ensure composite replicates the correct number of tiles for centred gravities. #2626

v0.27 - avif

Requires libvips v8.10.5

v0.27.2 - 22nd February 2021

• macOS: Prevent use of globally-installed ARM64 libvips with Rosetta x64 emulation. #2460

• Linux (musl): Prevent use of prebuilt linuxmusl-x64 binaries with musl >= 1.2.0. #2570

• Improve 16-bit grey+alpha support by using libvips' has_alpha detection. #2569

• Allow the use of non lower case extensions with toFormat. #2581 @florian-busch

• Allow use of recomb operation with single channel input.

... (truncated)

Commits

• 7555378 Release v0.28.0
• 80c95ee Docs: libvips tarballs are a bit smaller now
• 31563b2 Ensure GIF input will work with future libvips v8.11.0
• 861cd93 Pre-release v0.28.0-beta1
• abb344b Upgrade to libvips v8.10.6
• 6147491 Extend: default missing edge props to zero #2578
• f1f18fb Docs: clarify that flatten removes alpha channel #2601
• 9fc611f Docs: changelog entries for #2594 #2608
• 34a2e14 Fix erroneous top/left clipping in composite #2571
• 83fe65b Docs: include more relevant content in search index
• Additional commits viewable in compare view

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[dependabot-preview]

Superseded by #200.