core: DSMR integration breaks on 2023.11.0 for 5B

The problem

The integration breaks for model 5B on the new version (2023.11.0) of home assistant. Rerolling to 2023.10.5 does make it work again.

What version of Home Assistant Core has the issue?

2023.11.0

What was the last working version of Home Assistant Core?

2023.10.5

What type of installation are you running?

Home Assistant Container

Integration causing the issue

dsmr

Link to integration documentation on our website

https://www.home-assistant.io/integrations/dsmr

Diagnostics information

No response

Example YAML snippet

No response

Anything in the logs that might be useful for us?

AttributeError: 'NoneType' object has no attribute 'get'
2023-11-01 21:07:02.957 ERROR (MainThread) [dsmr_parser.parsers] Unexpected <class 'ValueError'>: unconverted data remains: 525
2023-11-01 21:07:02.958 ERROR (MainThread) [homeassistant] Error doing job: Exception in callback SerialTransport._read_ready()
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/asyncio/events.py", line 80, in _run
    self._context.run(self._callback, *self._args)
  File "/usr/local/lib/python3.11/site-packages/serial_asyncio/__init__.py", line 120, in _read_ready
    self._protocol.data_received(data)
  File "/usr/local/lib/python3.11/site-packages/dsmr_parser/clients/protocol.py", line 133, in data_received
    self.handle_telegram(telegram)
  File "/usr/local/lib/python3.11/site-packages/dsmr_parser/clients/protocol.py", line 159, in handle_telegram
    parsed_telegram = self.telegram_parser.parse(telegram)
                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/dsmr_parser/parsers.py", line 95, in parse
    dsmr_object = object["value_parser"].parse(match)
                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/dsmr_parser/parsers.py", line 278, in parse
    timestamp_occurred = ValueParser(timestamp).parse(values[i * 3 + 1])
                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/dsmr_parser/parsers.py", line 399, in parse
    value = self.coerce_type(value) if value is not None else value
            ^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/dsmr_parser/value_types.py", line 7, in timestamp
    naive_datetime = datetime.datetime.strptime(value[:-1], '%y%m%d%H%M%S')
                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/_strptime.py", line 568, in _strptime_datetime
    tt, fraction, gmtoff_fraction = _strptime(data_string, format)
                                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/_strptime.py", line 352, in _strptime
    raise ValueError("unconverted data remains: %s" %
ValueError: unconverted data remains: 525

Additional information

No response