chore(deps): update dependency @lit-labs/context to ^0.4.0

[renovate[bot]]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
@lit-labs/context (source)	^0.3.0 -> ^0.4.0
@lit-labs/context (source)	^0.3.0 -> ^0.4.0

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Release Notes

lit/lit (@​lit-labs/context)

### [`v0.4.0`](https://togithub.com/lit/lit/blob/HEAD/packages/labs/context/CHANGELOG.md#040) [Compare Source](https://togithub.com/lit/lit/compare/@lit-labs/context@0.3.3...@lit-labs/context@0.4.0) ##### Minor Changes - [#​4014](https://togithub.com/lit/lit/pull/4014) [`15a3b5c0`](https://togithub.com/lit/lit/commit/15a3b5c059a92b3204f6001608de92ea9e0763a2) - Late loaded elements can take over the context subscriptions for their children. Breaking change: ValueNotifier.addCallback now takes the consuming element as a mandatory second argument.

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