Enabled support for 'Video' media type in the datumaro format

[jihyeonyi]

Summary

Enabled support for 'Video' media type in the datumaro format to support annotations by video or video range.
Note that the video has a closed interval of [start_frame, end_frame].

How to test

Checklist

• I have added unit tests to cover my changes.​
• I have added integration tests to cover my changes.​
• I have added the description of my changes into CHANGELOG.​
• I have updated the documentation accordingly

License

• I submit my code changes under the same MIT License that covers the project.
  Feel free to contact the maintainers if that's a concern.
• I have updated the license header for each file (see an example below).

# Copyright (C) 2024 Intel Corporation
#
# SPDX-License-Identifier: MIT

[codecov]

Codecov Report

Attention: Patch coverage is 87.23404% with 18 lines in your changes are missing coverage. Please review.

❗ No coverage uploaded for pull request base (releases/1.7.0@b5e2ad8). Click here to learn what that means.

Files	Patch %	Lines
src/datumaro/components/media.py	85.93%	4 Missing and 5 partials ⚠️
src/datumaro/plugins/data_formats/datumaro/base.py	75.00%	4 Missing and 2 partials ⚠️
...umaro/plugins/data_formats/datumaro_binary/base.py	33.33%	1 Missing and 1 partial ⚠️
...datumaro/plugins/data_formats/datumaro/exporter.py	92.85%	0 Missing and 1 partial ⚠️

Additional details and impacted files

@@                Coverage Diff                @@
##             releases/1.7.0    #1491   +/-   ##
=================================================
  Coverage                  ?   80.78%           
=================================================
  Files                     ?      276           
  Lines                     ?    31489           
  Branches                  ?     6345           
=================================================
  Hits                      ?    25437           
  Misses                    ?     4641           
  Partials                  ?     1411           

Flag	Coverage Δ
ubuntu-20.04_Python-3.10	80.76% <87.23%> (?)
windows-2022_Python-3.10	80.75% <87.23%> (?)

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