fix: update dependency file-type to v12

[renovate]

This PR contains the following updates:

Package	Type	Update	Change
file-type	dependencies	major	^10.11.0 -> ^12.2.0

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Release Notes

sindresorhus/file-type

v12.2.0

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• Add fileType.extensions and fileType.mimeTypes properties, so you can check what extension/mime-types this package supports (#​229) bca081b
• Make Buffer usage optional again (for improved browser support) (#​232) dc611b4
• Reduce msi false-positives (#​225) 702f795

v12.1.0

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• Improve performance of the ZIP check (#​227) 43d3cd6

v12.0.1

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• Reject on stream error events (#​224) a1da90b

v12.0.0

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Breaking:

• Require Node.js 8 32fa5cf

Enhancements:

• Add support for APNG (#​215) 17e9c5f
• Add support for RW2 and RAF (#​221) ee910d9
• Improve detection of ARW, DNG, NEF and TIF (#​220) 6c3189f

v11.1.0

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Enhancements:

• Add support for orf, arw, dng, and nef RAW image types (#​213) 6c3df3e

Fixes:

• Fix handling of Uint8Array and ArrayBuffer (#​214) e096b4b

v11.0.0

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Breaking:

• Return undefined instead of null when there's no match 1359ccc
• TypeScript users only:
  - Drop faking ESM default export support 9dcf28b
  - You need to change import fileType from 'file-type'; to import fileType = require('file-type');

Enhancements:

• Rework mpeg4 check and add support for some more mpeg4 and ISO base media formats (#​206) feaa217
• Add support for ac3 and voc formats (#​201) 7038abc
• Add support for lnk and alias formats (#​200) aacd31a
• Add support for pre-POSIX tar (#​204) fc9f973
• Add support for Sony DSF (DSD Stream File) format (#​203) be74d72

Fixes:

• Fix mp2/mp3 checks to not catch mp1 (#​205) 44b3c34

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[sidharthachatterjee]

Both breaking changes (listed below) are okay with us

• Return undefined instead of null when there's no match
• Require Node 8