tests: accept both ERR_VM_REFRESH and ERR_VM_UPDATE on no network test

DNF5 gives less control over when metadata is refreshed. Accept both
error codes in the test.

More details at QubesOS/qubes-core-admin-linux#191 (comment)

(cherry picked from commit a455e5d)

Author: marmarek

qubes/tests/integ/vm_update.py

@@ -690,7 +690,7 @@ def test_130_no_network_qubes_vm_update(self):
         self.update_via_proxy_qubes_vm_update_impl(
             method="qubes-vm-update",
             options=(),
-            expected_ret_codes=(23,),
+            expected_ret_codes=(23, 24),
             break_repo=True,
             expect_updated=False,
         )
@@ -699,7 +699,7 @@ def test_131_no_network_qubes_vm_update_cli(self):
         self.update_via_proxy_qubes_vm_update_impl(
             method="qubes-vm-update",
             options=("--no-progress",),
-            expected_ret_codes=(23,),
+            expected_ret_codes=(23, 24),
             break_repo=True,
             expect_updated=False,
         )