Support time-dependent operators on dsf_mesolve

[albertomercurio]

Checklist

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Description

Here we add the support to time dependent Hamiltonians for the Dynamical Shifted Fock algorithm. Although it can be improved in the future, this is a simple change to support time-dependent evolutions.

Related issues or PRs

Fixes #608

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 93.17%. Comparing base (0c77d51) to head (5354893).
⚠️ Report is 3 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #610      +/-   ##
==========================================
+ Coverage   92.28%   93.17%   +0.89%     
==========================================
  Files          50       50              
  Lines        3615     3620       +5     
==========================================
+ Hits         3336     3373      +37     
+ Misses        279      247      -32     

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