Increase git timeouts for migration

nixos-apps/git.ewanick.com.nix

@@ -9,6 +9,15 @@
       service = {
         DISABLE_REGISTRATION = true;
       };
+
+      git = {
+        timeout = {
+          MIGRATE = 60 * 100; # seconds, 100 minutes
+          MIRROR = 60 * 100;
+          PULL = 60 * 100;
+          GC = 60 * 100;
+        };
+      };
     };
   };