Bump sinon from 19.0.5 to 21.0.0

---
updated-dependencies:
- dependency-name: sinon
  dependency-version: 21.0.0
  dependency-type: direct:development
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

package-lock.json

@@ -58,7 +58,7 @@
 	"mustache": "^4.2.0",
 	"prettier": "^3.6.2",
     "proxyquire": "^2.1.3",
-    "sinon": "^19.0.2",
+    "sinon": "^21.0.0",
     "sinon-chai": "^4.0.0",
     "typescript": "~5.7.3"
   },