chore(deps): update dependency sinon to v20

Author: renovate[bot]

package-lock.json

@@ -24,7 +24,7 @@
     "c8": "10.1.3",
     "prettier": "3.5.3",
     "semantic-release": "24.2.3",
-    "sinon": "19.0.4",
+    "sinon": "20.0.0",
     "stream-buffers": "3.0.3"
   },
   "engines": {