Add support for Python 3.13 version and remove support for Python 3.7 and 3.8 versions

[asmita-sharma1625]

Adding support for Python 3.13 version and removing support for Python 3.7 and 3.8 versions

References

Resolves #551

Code changes

Following modifications made to the project config in the pyproject.toml file:

1. Added support for Python 3.13 in the classifiers config.
2. Removed support for Python 3.7 and 3.8 in the classifiers config.
3. Upgraded the minimum required python version (requires-python) to 3.9.

User-facing changes

None.

Backwards-incompatible changes

None Anticipated. Awaiting results from CLI tests for further evaluation.

[andrii-i]

Thank you for your work @asmita-sharma1625. Code changes look good. I have a couple of small issue queue / maintenance-related requests before this PR is ready to be merged:

1. For the sake of clarity please remove issue number from the issue title
2. Please link the pull request to the issue it would solve https://docs.github.com/en/issues/tracking-your-work-with-issues/using-issues/linking-a-pull-request-to-an-issue

[asmita-sharma1625]

Thank you for your work @asmita-sharma1625. Code changes look good. I have a couple of small issue queue / maintenance-related requests before this PR is ready to be merged:

1. For the sake of clarity please remove issue number from the issue title
2. Please link the pull request to the issue it would solve https://docs.github.com/en/issues/tracking-your-work-with-issues/using-issues/linking-a-pull-request-to-an-issue

Addressed the comments.

[andrii-i]

Thank you.