chore(deps): update dependency sinon-chai to v4

Author: renovate[bot]

package.json

@@ -153,7 +153,7 @@
     "@types/mocha": "^10.0.7",
     "@types/node": "^20.14.8",
     "@types/sinon": "^17.0.3",
-    "@types/sinon-chai": "^3.2.12",
+    "@types/sinon-chai": "^4.0.0",
     "@types/vscode": "^1.90.0",
     "@vscode/test-electron": "^2.4.0",
     "chai": "<5.0.0",
@@ -164,7 +164,7 @@
     "lint-staged": "^15.2.7",
     "mocha": "^10.4.0",
     "sinon": "^18.0.0",
-    "sinon-chai": "^3.7.0",
+    "sinon-chai": "^4.0.1",
     "typescript": "^5.5.2"
   },
   "lint-staged": {