refactor(systemModules:ssh): move gnupg.agent to ssh module

system/modules/networking/ssh/default.nix

@@ -27,10 +27,17 @@ in
         KbdInteractiveAuthentication = mkDefault false;
       };
     };
-    programs.ssh = {
+
+    programs = {
+      ssh = {
         knownHosts = {
           "192.168.1.36".publicKey = phoneKey;
         };
       };
+      gnupg.agent = {
+        enable = true;
+        enableSSHSupport = true;
+      };
+    };
   };
 }