chore(deps): update dependency sinon to v21 (#2576)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

package-lock.json

@@ -304,7 +304,7 @@
     "prettier": "^3.5.3",
     "reindent-template-literals": "1.1.0",
     "shx": "0.4.0",
-    "sinon": "15.2.0",
+    "sinon": "21.0.0",
     "sinon-chai": "3.7.0",
     "stream-to-string": "1.2.1",
     "tmp": "0.2.3",