Update dependency sinon to ^9.0.1

Created by: renovate[bot]

This PR contains the following updates:

Package	Type	Update	New value	References	Sourcegraph
sinon (source)	devDependencies	patch	^9.0.1	homepage, source
@types/sinon	devDependencies	major	9.0.0	source

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Release Notes

sinonjs/sinon

v9.0.1

Compare Source

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• Fix #​2226: restore props defined on prototype chain by deleting

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