Bump ajv from 6.12.6 to 8.16.0 in /tools

Bumps [ajv](https://github.com/ajv-validator/ajv) from 6.12.6 to 8.16.0.
- [Release notes](https://github.com/ajv-validator/ajv/releases)
- [Commits](ajv-validator/ajv@v6.12.6...v8.16.0)

---
updated-dependencies:
- dependency-name: ajv
  dependency-type: direct:development
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <support@github.com>

tools/package.json

@@ -20,7 +20,7 @@
     "@types/node": "^20.14.10",
     "@typescript-eslint/eslint-plugin": "^7.15.0",
     "@typescript-eslint/parser": "^7.15.0",
-    "ajv": "^6.12.6",
+    "ajv": "^8.16.0",
     "eslint": "^8.56.0",
     "eslint-plugin-header": "^3.1.1",
     "express": "^4.19.2",