deps: upgrade `tar` to v6

package.json

@@ -126,8 +126,8 @@
     "size-limit": "4.5.6",
     "stringify-object": "3.3.0",
     "symbol-es6": "^0.1.2",
-    "tar": "^4.4.13",
     "temp-write": "3.4.0",
+    "tar": "^6.1.0",
     "terser": "^5.7.0",
     "tinyify": "3.0.0",
     "tsd": "^0.11.0",