Update dependency unified to v11 [skip netlify]

[renovate]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
unified (source)	10.1.2 -> 11.0.1

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Release Notes

unifiedjs/unified (unified)

v11.0.1

Compare Source

• d1a915d Fix incorrect type of settings in presets

Full Changelog: unifiedjs/unified@11.0.0...11.0.1

v11.0.0

Compare Source

Change

• baf80b2 Change to require Node.js 16
  migrate: update too
• dd9834a Update @types/unist
  migrate: update too
• 620ccf9 Update vfile
  migrate: update too

Change (unlikey to affect you)

• a44db46 Add Data, Settings types to augment shared data
  migrate: if you deal with data, type it, see commit for info
• fb49556 Change to replace Buffer with Uint8Array
  migrate: you’re probably fine unless you use weird encodings, see commit for details if so
• f3e71a8 Remove Attacher type
  migrate: use Plugin instead
• cc53bb6 Remove FrozenProcessor type
  migrate: use Processor instead
• 1aa3494 Change to yield undefined, not null
  migrate: expect undefined
• 932c140 Change to use exports
  migrate: don’t use private APIs
• 8e57478 Remove support for classes as compilers, parsers
  migrate: if you love classes, see commit message
• 4676814 Remove support for compilers returning nullish
  migrate: nobody did that
• 807ffb9 Add improved types
  migrate: it’s probably just better if anything changed at all
• b35afe0 Add useful error on empty presets
  by @​wooorm in https://github.com/unifiedjs/unified/pull/202
• 6f068a0 Fix to deep clone preset settings
• 56ee288 Fix non-first parameter merging when reconfiguring plugins

Misc

• e58b095 ad06700 40f0329 Refactor code-style
• ffc146c Update typescript
  by @​ChristianMurphy in https://github.com/unifiedjs/unified/pull/216
• 7148746 144eec0 2d95451 Add improved docs
• afb704a Fix some typos
  by @​ChristianMurphy in https://github.com/unifiedjs/unified/pull/225
• 2aa15ea Refactor types
• a06537c Add sponsor

Full Changelog: unifiedjs/unified@10.1.2...11.0.0

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