fix: examples/buildkit/package.json to reduce vulnerabilities

The following vulnerabilities are fixed with an upgrade:
- https://snyk.io/vuln/SNYK-JS-MINIMATCH-15309438

Author: snyk-bot

examples/buildkit/package.json

@@ -8,7 +8,7 @@
   },
   "dependencies": {
     "express": "^4.18.1",
-    "nodemon": "^2.0.17"
+    "nodemon": "^3.1.12"
   },
   "keywords": [
     "node",