Enable the generation of wheels for python 3.11 and upgrade python on CI/CD workflows to 3.8

[AmintorDusko]

Context: This PR enables the generation of wheels for python 3.11.
Also, we are updating the python version of CI/CD workflows from 3.7 to 3.8.

Description of the Change:

Benefits:

• Provide wheels for python 3.11.
• Faster CI/CD workflows with python 3.8.

Possible Drawbacks:

Related GitHub Issues:

[github-actions]

Hello. You may have forgotten to update the changelog!
Please edit .github/CHANGELOG.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.

[AmintorDusko]

[sc-28724]

[codecov]

Codecov Report

Merging #381 (5d66917) into master (2590eee) will increase coverage by 0.00%.
The diff coverage is 100.00%.

@@           Coverage Diff           @@
##           master     #381   +/-   ##
=======================================
  Coverage   99.88%   99.88%           
=======================================
  Files          49       49           
  Lines        4454     4458    +4     
=======================================
+ Hits         4449     4453    +4     
  Misses          5        5           

Impacted Files	Coverage Δ
pennylane_lightning/_version.py	100.00% <100.00%> (ø)
pennylane_lightning/lightning_qubit.py	100.00% <0.00%> (ø)

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[mlxd]

Looks good to me. Thanks @AmintorDusko

[chaeyeunpark]

Looks good to me!