chore: bump electronjs/node in .circleci/config.yml to 2.3.0 (#99)

Co-authored-by: electron-roller[bot] <84116207+electron-roller[bot]@users.noreply.github.com>

.circleci/config.yml

@@ -2,7 +2,7 @@ version: 2.1
 
 orbs:
   cfa: continuousauth/npm@2.1.0
-  node: electronjs/node@2.2.3
+  node: electronjs/node@2.3.0
 
 workflows:
   test_and_release: