Update dependency @webcomponents/shadycss to v1.11.2

[renovate]

This PR contains the following updates:

Package	Change	Age	Confidence
@webcomponents/shadycss (source)	1.9.2 → 1.11.2

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Release Notes

webcomponents/polyfills (@​webcomponents/shadycss)

v1.11.2

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• Update dependencies (#​542)

v1.11.1

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• Upstream internal changes to 'style-settings.js'.
  (#​467)

v1.11.0

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• Add TS externs. (#​457)

v1.10.2

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• Maintenance release (no user-facing changes)

v1.10.1

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• Maintenance release (no user-facing changes)

v1.10.0

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• Add @webcomponents/shadycss module, an interface to ShadyCSS polyfills that
  is importable, type-safe, and easier to use than the window.ShadyCSS
  globals.

v1.9.6

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• Closure type annotation improvements (#​284, #​280)

v1.9.5

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• Maintenance release (no user-facing changes)

v1.9.4

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• Fix Edge bug where cloned style would not apply correctly
  (#​242)

v1.9.3

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• When the apply shim is loaded, update custom-styles even if none are currently
  enqueued (#​208)

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