Removed qiskit as a dependency and added seeds to randomness-related functions

[tnemoz]

Description

Fixes #818 and fixes #820.

Changes

Notable changes that this PR has either accomplished or will accomplish. Feel free to add more lines to the itemized list
below.

• Qiskit is no longer listed as a dependency
• All the randomness-related functions now have a seed parameter that allows reproducibility.

Checklist

Before marking your PR ready for review, make sure you checked the following locally. If this is your first PR, you might be notified of some workflow failures after a maintainer has approved the workflow jobs to be run on your PR.

Additional information is available in the documentation.

• Use ruff for errors related to code style and formatting.
• Verify all previous and newly added unit tests pass in pytest.
• Check the documentation build does not lead to any failures. Sphinx build can be checked locally for any failures related to your PR
• Use linkcheck to check for broken links in the documentation
• Use doctest to verify the examples in the function docstrings work as expected.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 97.8%. Comparing base (14549b5) to head (81a1a78).

Additional details and impacted files

@@          Coverage Diff           @@
##           master    #842   +/-   ##
======================================
  Coverage    97.8%   97.8%           
======================================
  Files         168     168           
  Lines        3259    3267    +8     
  Branches      800     800           
======================================
+ Hits         3189    3197    +8     
  Misses         46      46           
  Partials       24      24           

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[purva-thakre]

@tnemoz Whenever you make changes to the toml file, you have to make sure to update the poetry lock file as well.

• Run poetry lock if you have made changes to the dependencies listed in the toml file.
• Run poetry lock --no-update if you have not made any changes to the toml file but git gives you a conflict error.

Hope this makes sense!

[purva-thakre]

LGTM!