fix: samples/subapp2-store/package.json to reduce vulnerabilities

The following vulnerabilities are fixed with an upgrade:
- https://snyk.io/vuln/SNYK-JS-JSON5-3182856
- https://snyk.io/vuln/SNYK-JS-ANSIREGEX-1583908
- https://snyk.io/vuln/SNYK-JS-LOADERUTILS-3043105
- https://snyk.io/vuln/SNYK-JS-PATHTOREGEXP-7925106
- https://snyk.io/vuln/SNYK-JS-POSTCSS-1255640
- https://snyk.io/vuln/SNYK-JS-LOADERUTILS-3042992
- https://snyk.io/vuln/SNYK-JS-LOADERUTILS-3105943
- https://snyk.io/vuln/SNYK-JS-POSTCSS-5926692

samples/subapp2-store/package.json

@@ -33,8 +33,8 @@
   "dependencies": {
     "@babel/runtime": "^7.12.5",
     "@types/recoil": "^0.0.1",
-    "@xarc/app": "^8.1.8",
-    "@xarc/fastify-server": "^2.0.0",
+    "@xarc/app": "^9.0.0",
+    "@xarc/fastify-server": "^3.0.1",
     "@xarc/react": "^0.0.3",
     "@xarc/react-redux": "^0.1.0",
     "@xarc/react-redux-observable": "^0.1.0",