Update setup file

[lillian542]

updates setup.py file to specify pennyLane-lightning >= 0.34

[github-actions]

Hello. You may have forgotten to update the changelog!
Please edit doc/releases/changelog-dev.md with:

• A one-to-two sentence description of the change. You may include a small working example for new features.
• A link back to this PR.
• Your name (or GitHub username) in the contributors section.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

❗ No coverage uploaded for pull request base (v0.34.0-rc0@5d4d8bd). Click here to learn what that means.

Additional details and impacted files

@@              Coverage Diff               @@
##             v0.34.0-rc0    #5019   +/-   ##
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  Coverage               ?   99.66%           
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  Files                  ?      392           
  Lines                  ?    35288           
  Branches               ?        0           
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  Hits                   ?    35170           
  Misses                 ?      118           
  Partials               ?        0           

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