chore(deps): update dependency sinon to v21

Author: renovate-bot

package.json

@@ -106,7 +106,7 @@
     "protobufjs-cli": "^1.1.2",
     "proxyquire": "^2.1.3",
     "nise": "6.0.0",
-    "sinon": "^18.0.0",
+    "sinon": "^21.0.0",
     "path-to-regexp": "^6.0.0",
     "through2": "^4.0.0",
     "ts-node": "^10.0.0",