Update npm API key

The old one failed:
https://travis-ci.org/github/fetch/jobs/425715787

[ci skip]

.travis.yml

@@ -13,7 +13,7 @@ deploy:
   provider: npm
   email: mislav.marohnic@gmail.com
   api_key:
-    secure: gt9g5/bXhxSKjxfFSPCdpWGJKBrSG8zdGRYgPouUgRqNeD2Ff4Nc8HGQTxp0OLKnP/jJ5FIru5jUur6LWzJCyEd+aNUEvFf5J078m3pzHN9AP2fiWUkKXcc5lKV0PQnI+JDRxJwd/PggtjubrneGfCzyFoys9apRrd/TzTGEtGw=
+    secure: ZEyP/T3jWwvrMp/rdZoMkyc3T7SoFJpGFFCjd7rOG76k/DTRxcYVTAPES8mEq/Xk0fF8qM4ZY//izuxEtFEuJmdRFuvJcIptVrAlbEiqlyNiN1EkwRPayd3qte/UYLvD9bGrfKRVrXeohW0GGDZH48CsHVo3yNrX6NWS7Nxxze4=
   on:
     tags: true
     repo: github/fetch