Update GitLab SSH host keys

wiki/src/contribute/working_together/GitLab.mdwn

@@ -31,9 +31,9 @@ The first time you connect over SSH to a Git repository hosted on our GitLab,
 you will be prompted to verify the server's SSH host key. Here are the
 corresponding fingerprints:
 
- - ECDSA: `SHA256:f/PV2zYMjEjmC2c7QLWs0gWiuadel9ZDY2a7scQ+/BE`
- - Ed25519: `SHA256:RxjdAxT/9nqD2RKHVUxCTQeiKKWSn3bg7bjmatQO2DM`
- - RSA: `SHA256:fXpmM5kJ9A9fHMaGUekgxXHIocTpsbmYnp/mdlhWFwQ`
+ - ECDSA: `SHA256:AOj9ec6hRjN7fNnjXMlmPum7dZWRd5oJKAuo4UGAxxs`
+ - Ed25519: `SHA256:mtZeDs2+KKLZ8kJOvmrGoTCuszqc29DOyH6MZaqtlss`
+ - RSA: `SHA256:JuwD+e+wOas+2JtDdF0BHu+9RAIJOhWI+2VkjuZ6Znk`
 
 # Group and projects