fix(deps): update dependency pug to v2.0.3 (#1048)

Author: renovate[bot]

appengine/websockets/package.json

@@ -18,7 +18,7 @@
   },
   "dependencies": {
     "express": "4.15.4",
-    "pug": "2.0.0-rc.3",
+    "pug": "2.0.3",
     "socket.io": "2.0.3"
   },
   "devDependencies": {

cloud-sql/postgres/knex/package.json

@@ -25,7 +25,7 @@
     "express": "4.16.2",
     "knex": "0.16.2",
     "prompt": "1.0.0",
-    "pug": "2.0.0-rc.4",
+    "pug": "2.0.3",
     "@google-cloud/logging-winston": "^0.10.2",
     "winston": "^3.1.0"
   },