chore(package): update @types/node to version 12.0.9

Author: greenkeeper[bot]

package.json

@@ -71,7 +71,7 @@
     "@angular/cli": "~8.0.3",
     "@angular/compiler-cli": "~8.0.1",
     "@angular/language-service": "~8.0.1",
-    "@types/node": "~8.9.4",
+    "@types/node": "~12.0.9",
     "@types/jasmine": "~3.3.8",
     "@types/jasminewd2": "~2.0.3",
     "codeclimate-test-reporter": "0.5.1",