fix: Optimize SSH configuration

tasks/configuration.yml

@@ -27,6 +27,11 @@
     block: |
       {% for repository in borgmatic_repositories %}
       Host {{ repository.path | ansible.builtin.urlsplit('hostname') }}
+        Compression yes
+        Protocol 2
+        PreferredAuthentications=publickey 
+        StrictHostKeyChecking no
+        UserKnownHostsFile /dev/null
         IdentityFile /etc/borgmatic/id_ed25519
         IdentitiesOnly yes
       {% endfor %}