fix: convertPheno_client/mockApi/package.json to reduce vulnerabilities

The following vulnerabilities are fixed with an upgrade:
- https://snyk.io/vuln/SNYK-JS-JSYAML-13961110

Author: snyk-bot

convertPheno_client/mockApi/package.json

@@ -11,7 +11,7 @@
   "author": "",
   "license": "",
   "dependencies": {
-    "json-server": "^0.17.3"
+    "json-server": "^0.17.4"
   },
   "devDependencies": {
     "nodemon": "^3.0.1"