chore(deps): update dependency sinon to v21

Author: renovate-bot

.github/scripts/package.json

@@ -16,6 +16,6 @@
     "devDependencies": {
         "@octokit/rest": "^19.0.0",
         "mocha": "^10.0.0",
-        "sinon": "^18.0.0"
+        "sinon": "^21.0.0"
     }
 }

package.json

@@ -100,7 +100,7 @@
     "null-loader": "^4.0.1",
     "pack-n-play": "^3.0.0",
     "proxyquire": "^2.1.3",
-    "sinon": "^20.0.0",
+    "sinon": "^21.0.0",
     "snap-shot-it": "^7.9.10",
     "tcp-port-used": "^1.0.2",
     "ts-loader": "^9.5.2",