chore(deps-dev): bump sinon from 18.0.1 to 21.0.0 (#819)

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

package-lock.json

@@ -51,7 +51,7 @@
     "nyc": "^15.1.0",
     "prettier": "^3.5.3",
     "rollup": "^4.40.1",
-    "sinon": "^18.0.0",
+    "sinon": "^21.0.0",
     "sinon-chai": "^3.7.0",
     "source-map-support": "^0.5.21",
     "tar": "^7.4.3",