fix: packages/contentstack-seed/package.json to reduce vulnerabilities

The following vulnerabilities are fixed with an upgrade:
- https://snyk.io/vuln/SNYK-JS-TAR-15456201

Author: snyk-bot

packages/contentstack-seed/package.json

@@ -10,7 +10,7 @@
     "@contentstack/cli-utilities": "~1.17.4",
     "inquirer": "8.2.7",
     "mkdirp": "^1.0.4",
-    "tar": "^7.5.7",
+    "tar": "^7.5.11",
     "tmp": "^0.2.5"
   },
   "devDependencies": {