maintainers: update jasonxue1's fingerprint (#444908)

maintainers/maintainer-list.nix

···
     name = "jasonxue";
     keys = [
       {
-        fingerprint = "067A 9B58 DAC4 1C31 D688  81A9 EC23 DBDD B617 6861";
+        fingerprint = "D6D8 A0A8 6FAC 3D8E D85C  523D F7BA 32A3 FCB0 260A";
       }
     ];
   };