Bump sharp from 0.22.1 to 0.23.1

[dependabot-preview]

Bumps sharp from 0.22.1 to 0.23.1.

Changelog

Sourced from sharp's changelog.

v0.23.1 - 26^th September 2019

• Ensure sharp.format.vips is present and correct (filesystem only).
  #1813

• Ensure invalid width and height provided as options to resize throw.
  #1817

• Allow use of 'heic' and 'heif' identifiers with toFormat.
  #1834
  @​jaubourg

• Add premultiplied option to composite operation.
  #1835
  @​Andargor

• Allow instance reuse with differing toBuffer options.
  #1860
  @​RaboliotTheGrey

• Ensure image is at least 3x3 pixels before attempting trim operation.

v0.23.0 - 29^th July 2019

• Remove overlayWith previously deprecated in v0.22.0.

• Add experimental support for HEIF images. Requires libvips compiled with libheif.
  #1105

• Expose libwebp smartSubsample and reductionEffort options.
  #1545

• Add experimental support for Worker Threads.
  #1558

• Use libvips' built-in CMYK and sRGB profiles when required.
  #1619

• Drop support for Node.js versions 6 and 11.
  #1674

• Expose skipBlanks option for tile-based output.
  #1687
  @​RaboliotTheGrey

• Allow use of failOnError option with Stream-based input.
  #1691

• Fix rotate/extract ordering for non-90 angles.
  #1755

... (truncated)

Commits

• aa3ce76 Release v0.23.1
• ba46ad1 Docs: mention removal of metadata in output methods
• 11214ba Bump tar dependency to ensure minipass >=2.8.6
• d87c289 Update results from latest benchmark test run
• af45c03 Bump benchmark dependencies ahead of a perf test run
• 7d6fadc Ensure promise-based benchmark test is fairer
• 6b560f7 Remove imagemagick-native module from benchmarks
• 5d42214 Docs: Add more prominent link to libvips
• d42c383 Add link from GitHub to libvips OpenCollective
• 9c7f6fc Replace deprecated URL parser
• Additional commits viewable in compare view

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