Python Version Updates to CI/CD Workflows

[f-allian]

• Fixes to GH Actions CI/CD causing error due to old Python versions. Closes issue Containerise and upload to DAFNI fails #295

[github-actions]

🦙 MegaLinter status: ✅ SUCCESS

Descriptor	Linter	Files	Fixed	Errors	Elapsed time
✅ PYTHON	black	36		0	1.0s
✅ PYTHON	pylint	36		0	6.14s

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[jmafoster1]

Perfect, thanks @f-allian!

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 97.01%. Comparing base (499fc54) to head (83cbb3d).
Report is 4 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main     #297   +/-   ##
=======================================
  Coverage   97.01%   97.01%           
=======================================
  Files          29       29           
  Lines        1842     1842           
=======================================
  Hits         1787     1787           
  Misses         55       55           

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