officially support python 3.11

[dbkeitel]

LALSuite on PyPI is available for it since 7.11 last week, so let's see if we pass.

[dbkeitel]

@Rodrigo-Tenorio requires a look into this:

FAILED PyFstat/tests/test_utils/test_cli.py::test_run_commandline_lal_noerror - AssertionError: assert '/opt/hostedt...s new_path:\n' == ''
  + /opt/hostedtoolcache/Python/3.11.0/x64/bin/lalpulsar_version:5: DeprecationWarning: path is deprecated. Use files() instead. Refer to https://importlib-resources.readthedocs.io/en/latest/using.html#migrating-from-legacy for migration advice.

/assign @Rodrigo-Tenorio

[codecov]

Codecov Report

Merging #498 (eaf1744) into master (5ded4a6) will not change coverage.
The diff coverage is n/a.

Additional details and impacted files

@@           Coverage Diff           @@
##           master     #498   +/-   ##
=======================================
  Coverage   73.74%   73.74%           
=======================================
  Files          22       22           
  Lines        4354     4354           
=======================================
  Hits         3211     3211           
  Misses       1143     1143           

Flag	Coverage Δ
unittests	73.74% <ø> (ø)

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[dbkeitel]

@Rodrigo-Tenorio review here is less "check the diff" than "check if any diff is missing". ;)

[Rodrigo-Tenorio]

I accept my changes