chore: update dependency sinon to ^21.0.1

[renovate]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
sinon (source)	^21.0.0 -> ^21.0.1

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Release Notes

sinonjs/sinon (sinon)

v21.0.1

Compare Source

• 456a65c2
  Update dependencies - except @​sinonjs/samsam (#​2669) (Carl-Erik Kopseng)
• f04f3eb1
  Fix issue 2618 - Remove browserify in favor of esbuild (#​2661) (Artur Parkhisenko)
• 48b69df2
  fix(docs): remove assert.failException from documentation (#​2666) (Steffen Schroeder)
• 13b27ccc
  Fix sandbox restore not handling stubbed functions (#​2667) (thamion)
• ae9e09ac
  Update compatibility target to ES2023 (Carl-Erik Kopseng)

  Updated compatibility target from ES2017 to ES2023 and clarified the note on breaking changes.

• 26055043
  Improve error message for immutable descriptors (#​2664) (Stuart Dotson)
• 80fa9a5b
  Also mirror the calledOnceWith assertion (#​2660) (Benedikt Meurer)

Released by Carl-Erik Kopseng on 2025-12-19.

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[coveralls]

Pull Request Test Coverage Report for Build 20549230897

Details

• 0 of 0 changed or added relevant lines in 0 files are covered.
• 1 unchanged line in 1 file lost coverage.
• Overall coverage decreased (-0.008%) to 54.896%

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Files with Coverage Reduction	New Missed Lines	%
packages/core/src/application.ts	1	70.28%

Totals
Change from base Build 20549206895:	-0.008%
Covered Lines:	9572
Relevant Lines:	12457

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💛 - Coveralls