- Keep bad annotations that end at the start sample (annotations that are potentialy one sample long): end = start
- Do not discard bad annotations that are exactly one sample long: onset = end
- Also discard last sample of bad annotation: end - start + 1

- Fix now broken tests
- Add tests for annotations that are one sample long

for more information, see https://pre-commit.ci

…ction-idx

- Add include_last as keyword argument to _annotations_starts_stops
- Adapt corresponding function call in `BaseRaw.get_data()`, and correspondingly remove +1 indexing of used samples
- Update documentation of _annotations_starts_stops
- Add tests for _annotations_starts_stops
- Add towncrier entry for PR