windows jsfiddle downloads broken with 0.34.3

[brett-koonce]

1. user on windows visits site:

https://www.electronjs.org/fiddle

2. user clicks download button for windows
3. URL 404's --> no files to download

possible solutions:

• upload windows binaries
• redirect to 0.34.2 for now

[brett-koonce]

• mac intel/arm builds as well

[David Sanders]

Fixed by #455.