Add --no-media-encryption option

[vinnamkim]

Summary

• Ticket no. 106290
• Add --no-media-encryption option to seperate two cases:

1. A user wants to encrypt annotation and media both.
2. A user wants to encrypt annotation only.

How to test

I added tests for this change.

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) 2023 Intel Corporation
#
# SPDX-License-Identifier: MIT

[codecov-commenter]

Codecov Report

Patch coverage: 94.44% and no project coverage change.

Comparison is base (1f8e45e) 78.55% compared to head (28a26a0) 78.56%.

Additional details and impacted files

@@               Coverage Diff               @@
##           releases/1.1.0     #875   +/-   ##
===============================================
  Coverage           78.55%   78.56%           
===============================================
  Files                 205      205           
  Lines               24943    24949    +6     
  Branches             5009     5009           
===============================================
+ Hits                19595    19601    +6     
  Misses               4222     4222           
  Partials             1126     1126           

Flag	Coverage Δ
macos-11_Python-3.8	77.54% <94.44%> (+<0.01%)	⬆️
ubuntu-20.04_Python-3.8	?
windows-2019_Python-3.8	78.49% <94.44%> (+<0.01%)	⬆️

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

Impacted Files	Coverage Δ
...o/plugins/data_formats/datumaro_binary/exporter.py	97.93% <87.50%> (+0.06%)	⬆️
datumaro/plugins/data_formats/datumaro/exporter.py	95.65% <100.00%> (ø)
...umaro/plugins/data_formats/datumaro_binary/base.py	93.42% <100.00%> (+0.27%)	⬆️
...aro/plugins/data_formats/datumaro_binary/format.py	88.88% <100.00%> (ø)

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