fix(deps): update dependency deepmerge to ^2.2.1

[renovate[bot]]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
deepmerge	^2.0.1 -> ^2.2.1

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Release Notes

TehShrike/deepmerge

v2.2.1

Compare Source

• bug: typescript export type was wrong #​121

v2.2.0

Compare Source

• feature: added TypeScript typings #​119

v2.1.1

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• documentation: Rename "methods" to "api", note ESM syntax #​103
• documentation: Fix grammar #​107
• documentation: Restructure headers for clarity + some wording tweaks 108 + 109

v2.1.0

Compare Source

• feature: Support a custom isMergeableObject function #​96
• documentation: note a Webpack bug that some users might need to work around #​100

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Configuration

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