Add nosec B311 directives

[vinnamkim]

Summary

• Ticket no. 127588
• Recently, the code scanning workflow has been failed. See https://github.com/openvinotoolkit/datumaro/actions/runs/7199204328
• Fix this failure by adding ignore directives

How to test

https://github.com/openvinotoolkit/datumaro/actions/runs/7204847831

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]

Codecov Report

Attention: 1 lines in your changes are missing coverage. Please review.

Comparison is base (6b567b7) 80.44% compared to head (5c9cdc3) 80.44%.

Files	Patch %	Lines
...datumaro/plugins/synthetic_data/image_generator.py	0.00%	1 Missing ⚠️

Additional details and impacted files

@@           Coverage Diff            @@
##           develop    #1226   +/-   ##
========================================
  Coverage    80.44%   80.44%           
========================================
  Files          269      269           
  Lines        29915    29915           
  Branches      5850     5850           
========================================
  Hits         24066    24066           
  Misses        4487     4487           
  Partials      1362     1362           

Flag	Coverage Δ
macos-11_Python-3.8	79.10% <66.66%> (ø)
ubuntu-20.04_Python-3.8	80.44% <66.66%> (ø)
windows-2022_Python-3.8	80.41% <66.66%> (ø)

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[yunchu]

LGTM