Update tar package version for tfjs-node & tfjs-node-gpu (#8280)

Author: gaikwadrahul8

tfjs-node-gpu/package.json

@@ -70,7 +70,7 @@
     "https-proxy-agent": "^2.2.1",
     "progress": "^2.0.0",
     "rimraf": "^2.6.2",
-    "tar": "^4.4.6"
+    "tar": "^6.2.1"
   },
   "binary": {
     "module_name": "tfjs_binding",

tfjs-node/package.json

@@ -68,7 +68,7 @@
     "https-proxy-agent": "^2.2.1",
     "progress": "^2.0.0",
     "rimraf": "^2.6.2",
-    "tar": "^4.4.6"
+    "tar": "^6.2.1"
   },
   "binary": {
     "module_name": "tfjs_binding",