Use vsce@^1.63.0

which includes microsoft/vscode-vsce#354 that
should check @types/vscode version against engines.vscode

Author: Xanewok

package-lock.json

@@ -60,7 +60,7 @@
         "tslint": "^5.14.0",
         "tslint-config-prettier": "^1.18.0",
         "typescript": "^3.0.0",
-        "vsce": "^1.58.0",
+        "vsce": "^1.63.0",
         "vscode": "^1.1.30"
     },
     "contributes": {