Update version requirements of PyVMCON and OSQP

[timothy-nunn]

Following Monte Carlo convergence studies of our regression test suite, I conclude that updating our software versions for PyVMCON and OSQP is appropriate.

• PyVMCON 2.3.0: corrects the BFGS update calculation (updates the Hessian approximation matrix).
• OSQP 1.0+: will ensure we keep getting bug fixes for the OSQP package. The 1.0 release uses an improved factorisation package version, hence the slight changes in results.

The results show the two updates make convergence no worse and therefore it is advisable to be on the latest versions of software for bugfixes and security patches etc.

[codecov-commenter]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 38.13%. Comparing base (84ea827) to head (6b010bf).
⚠️ Report is 384 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main    #3681   +/-   ##
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  Coverage   38.13%   38.13%           
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  Files          88       88           
  Lines       22470    22470           
=======================================
  Hits         8570     8570           
  Misses      13900    13900           

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