Add preliminary support for new CTA r1 data format (EVBv6)

[maxnoe]

Rebased vs. main isntead of the 0.18.x branch.

[codecov]

Codecov Report

Patch coverage: 93.05% and project coverage change: +0.74 🎉

Comparison is base (57011d9) 88.74% compared to head (bb6ddb3) 89.48%.

❗ Current head bb6ddb3 differs from pull request most recent head bd5e8ce. Consider uploading reports for the commit bd5e8ce to get more accurate results

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #191      +/-   ##
==========================================
+ Coverage   88.74%   89.48%   +0.74%     
==========================================
  Files          19       20       +1     
  Lines        1981     2245     +264     
==========================================
+ Hits         1758     2009     +251     
- Misses        223      236      +13     

Impacted Files	Coverage Δ
src/ctapipe_io_lst/anyarray_dtypes.py	100.00% <ø> (ø)
src/ctapipe_io_lst/__init__.py	88.62% <81.88%> (-0.70%)	⬇️
src/ctapipe_io_lst/containers.py	100.00% <100.00%> (ø)
src/ctapipe_io_lst/event_time.py	95.54% <100.00%> (+0.65%)	⬆️
src/ctapipe_io_lst/multifiles.py	91.79% <100.00%> (+0.25%)	⬆️
src/ctapipe_io_lst/tests/test_cta_r1.py	100.00% <100.00%> (ø)

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[rlopezcoto]

@maxnoe is this ready to be merged to produce a new release?
I can take care of that of lstchain

[maxnoe]

Not really tested on any data actually produced by the EVBv6, only on the artificial data I created in the unit tests, but I think we can go ahead and fix anything when we run into issues.