Expired public key in the Contact section

Dear Developers and Artists,

Thank you for the marvel you do...

I am sorry, but just wanted to highlight the expiration date of the public key provided in the Contact section on the website at: <https://mosh.org/>

```
pub   rsa4096 2012-02-05 [SC] [expires: 2025-02-27]
```

Please stay safe and astronomical! ✨ 

Best and kind regards