tests: update test-remotefilelog-gc.t for Python 3.11
The test output changed because test coverage changed because normpath changed:
$ python3.10 -c 'import os; print(repr(os.path.normpath("asdas\0das")))'
'asdas\x00das'
$ python3.11 -c 'import os; print(repr(os.path.normpath("asdas\0das")))'
'asdas'
(binary:application/octet-stream)