nodejs12: update node-pre-gyp to 0.12+ because of TryGhost/node-sqlite3#1329

Author: haraldschilly

src/smc-util-node/package-lock.json

@@ -17,6 +17,7 @@
     "coffee-register-cache": "0.0.0",
     "coffeescript": "^2.5.1",
     "jsdom": "^16.2.2",
+    "node-pre-gyp": "^0.14.0",
     "nyc": "^15.0.1",
     "shell-escape": "^0.2.0",
     "sqlite3": "^4.2.0",