fix(deps): update dependency @webcomponents/webcomponentsjs to v2.8.0

[renovate]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
@webcomponents/webcomponentsjs (source)	2.2.10 -> 2.8.0

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Release Notes

webcomponents/polyfills (@​webcomponents/webcomponentsjs)

v2.8.0

Compare Source

• Update dependencies (#​542)
• Polyfill Element.toggleAttribute(). (#​541)

v2.7.0

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• Polyfill addEventListener/removeEventListener event listener options,
  including {capture: boolean, once: boolean}.
  (#​469)
• Make webcomponents-loader.js compatible with the Trusted Types API
  (#​501)
• Remove an arrow function in webcomponents-loader.js.
  (#​507)

v2.6.0

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• Add TS externs. (#​457)

v2.5.0

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• Polyfill Element#matches.
  (#​400)
• Remove function declarations from platform polyfills to sastisfy internal lint
  after import transforms.
  (#​396)
• Polyfill Element#getAttributeNames.
  (#​393)
• Add polyfills for ChildNode APIs.
  (#​390)
• Add polyfills for select ParentNode APIs.
  (#​389)
• Add classList support to SVGElement.
  (#​391)
• Add new entrypoints to webcomponentsjs for the 'platform' polyfills.
  (#​385)

v2.4.4

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• Fixed bug where Object.assign polyfill would copy non-enumerable properties.
• Convert platform (Array.from, CustomEvent, Promise etc.) polyfills to
  TypeScript (#​292)
• Improve types for JSCompiler compatibility
  (#​307)
• README improvements
  (#​128,
  #​212,
  #​214)

v2.4.3

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• Maintenance release (no user-facing changes)

v2.4.2

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• Remove unnecessary externs
  (#​272)

v2.4.1

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• Maintenance release (no user-facing changes)

v2.4.0

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• Add on-demand patching mode
  (#​189)

v2.3.0

Compare Source

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⚠️ Artifact update problem

Renovate failed to update an artifact related to this branch. You probably do not want to merge this PR as-is.

♻️ Renovate will retry this branch, including artifacts, only when one of the following happens:

• any of the package files in this branch needs updating, or
• the branch becomes conflicted, or
• you check the rebase/retry checkbox if found above, or
• you rename this PR's title to start with "rebase!" to trigger it manually

The artifact failure details are included below:

File name: CopyThisStuff/yarn.lock

error An unexpected error occurred: "Can't answer a question unless a user TTY".

[renovate]

⚠ Artifact update problem

Renovate failed to update an artifact related to this branch. You probably do not want to merge this PR as-is.

♻ Renovate will retry this branch, including artifacts, only when one of the following happens:

• any of the package files in this branch needs updating, or
• the branch becomes conflicted, or
• you click the rebase/retry checkbox if found above, or
• you rename this PR's title to start with "rebase!" to trigger it manually

The artifact failure details are included below:

File name: CopyThisStuff/yarn.lock

error Couldn't find any versions for "@lrnwebcomponents/simple-tooltip" that matches "^3.0.6"