Pin deployment host key for new server

.gitea/workflows/deploy.yml

@@ -18,7 +18,7 @@ jobs:
           mkdir -p ~/.ssh
           echo "${{ secrets.SSH_PRIVATE_KEY }}" | tr -d '\r' > ~/.ssh/id_rsa
           chmod 600 ~/.ssh/id_rsa
-          ssh-keyscan -p 5050 spletnimojster.si >> ~/.ssh/known_hosts 2>/dev/null
+          printf '%s\n' '[spletnimojster.si]:5050 ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIA7MrR+/aRMWpsZT1EdiQqjpanRsddJ/aIivRc0K2KiS' >> ~/.ssh/known_hosts
 
       - name: Deploy to Production Server
         run: |