flake8 6.0.0 raises ValueError for inline comments on ignore rule lines

This issue is currently affecting multiple charms after the flake8 6.0.0 release. flake8 expects to find the comments on their separate lines.

miles@mertkirpici-bastion-focal:~/repo/charm-openstack-service-checks$ make lint
Running lint checks
lint installed: black==22.10.0,click==8.1.3,flake8==6.0.0,flake8-colors==0.1.9,flake8-docstrings==1.6.0,flake8-import-order==0.18.2,mccabe==0.7.0,mypy-extensions==0.4.3,pathspec==0.10.2,pep8-naming==0.13.2,platformdirs==2.5.4,pycodestyle==2.10.0,pydocstyle==6.1.1,pyflakes==3.0.1,snowballstemmer==2.2.0,tomli==2.0.1,typing-extensions==4.4.0
lint run-test-pre: PYTHONHASHSEED='3949094690'
lint run-test: commands[0] | flake8
Traceback (most recent call last):
  File "/home/miles/repo/charm-openstack-service-checks/src/.tox/lint/bin/flake8", line 8, in <module>
    sys.exit(main())
  File "/home/miles/repo/charm-openstack-service-checks/src/.tox/lint/lib/python3.8/site-packages/flake8/main/cli.py", line 23, in main
    app.run(argv)
  File "/home/miles/repo/charm-openstack-service-checks/src/.tox/lint/lib/python3.8/site-packages/flake8/main/application.py", line 198, in run
    self._run(argv)
  File "/home/miles/repo/charm-openstack-service-checks/src/.tox/lint/lib/python3.8/site-packages/flake8/main/application.py", line 186, in _run
    self.initialize(argv)
  File "/home/miles/repo/charm-openstack-service-checks/src/.tox/lint/lib/python3.8/site-packages/flake8/main/application.py", line 165, in initialize
    self.plugins, self.options = parse_args(argv)
  File "/home/miles/repo/charm-openstack-service-checks/src/.tox/lint/lib/python3.8/site-packages/flake8/options/parse_args.py", line 53, in parse_args
    opts = aggregator.aggregate_options(option_manager, cfg, cfg_dir, rest)
  File "/home/miles/repo/charm-openstack-service-checks/src/.tox/lint/lib/python3.8/site-packages/flake8/options/aggregator.py", line 30, in aggregate_options
    parsed_config = config.parse_config(manager, cfg, cfg_dir)
  File "/home/miles/repo/charm-openstack-service-checks/src/.tox/lint/lib/python3.8/site-packages/flake8/options/config.py", line 131, in parse_config
    raise ValueError(
ValueError: Error code '#TODO' supplied to 'ignore' option does not match '^[A-Z]{1,3}[0-9]{0,3}$'
ERROR: InvocationError for command /home/miles/repo/charm-openstack-service-checks/src/.tox/lint/bin/flake8 (exited with code 1)
____________________________________________________________________________________________________________ summary _____________________________________________________________________________________________________________
ERROR: lint: commands failed
make: *** [Makefile:63: lint] Error 1