`SegmentationExtractor`: add `set_times`

[weiglszonja]

Follow up on #187

Adds set_times method to SegmentationExtractor. The use case is to be able to write segmentation data with timestamps.

[CodyCBakerPhD]

@weiglszonja Ready for review?

[weiglszonja]

@CodyCBakerPhD yes, let me know if there are other tests that should be added

[codecov[bot]]

Codecov Report

Merging #188 (eaf79a4) into master (6233dca) will decrease coverage by 0.10%. The diff coverage is 100.00%.

@@            Coverage Diff             @@
##           master     #188      +/-   ##
==========================================
- Coverage   73.13%   73.02%   -0.11%     
==========================================
  Files          33       33              
  Lines        2196     2169      -27     
==========================================
- Hits         1606     1584      -22     
+ Misses        590      585       -5     

Flag	Coverage Δ
unittests	73.02% <100.00%> (-0.11%)	:arrow_down:

Flags with carried forward coverage won't be shown. Click here to find out more.

Impacted Files	Coverage Δ
...schnitzerextractor/extractsegmentationextractor.py	94.32% <ø> (+1.34%)	:arrow_up:
src/roiextractors/segmentationextractor.py	87.87% <100.00%> (+1.42%)	:arrow_up: