MPRT metrics: EfficientMPRT and SmoothMPRT

[annahedstroem]

Description

• In this PR, we are implementing metrics sMPRT and eMPRT as variants of MPRT according to the paper
• Sanity Checks Revisited: An Exploration to Repair the Model Parameter Randomisation Test by Anna Hedström, Leander Weber, Sebastian Lapuschkin, Marina Höhne

Implemented changes

• Insert a description of the changes implemented in the pull request.
  • Update model_parameter_randomisation.py
  • Write smooth_model_parameter_randomisation.py
  • Write efficient_model_parameter_randomisation.py
  • Tests for:
    • MPRT
    • eMPRT
    • sMPRT
• Nb example

Also,

• make some changes to ModelInterface w.r.t. channel_first default values

Minimum acceptance criteria

• Specify what is necessary for the PR to be merged with the main branch.
• @mentions of the person that is apt to review these changes e.g., @annahedstroem

[codecov-commenter]

Codecov Report

Attention: 60 lines in your changes are missing coverage. Please review.

Comparison is base (a12daa5) 0.00% compared to head (49954e9) 91.02%.

Files	Patch %	Lines
quantus/metrics/randomisation/smooth_mprt.py	86.93%	23 Missing ⚠️
quantus/metrics/randomisation/efficient_mprt.py	91.09%	17 Missing ⚠️
quantus/helpers/model/model_interface.py	47.05%	9 Missing ⚠️
quantus/metrics/randomisation/mprt.py	88.88%	6 Missing ⚠️
quantus/helpers/utils.py	76.92%	3 Missing ⚠️
quantus/evaluation.py	50.00%	1 Missing ⚠️
quantus/functions/complexity_func.py	95.65%	1 Missing ⚠️

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Additional details and impacted files

@@            Coverage Diff            @@
##           main     #308       +/-   ##
=========================================
+ Coverage      0   91.02%   +91.02%     
=========================================
  Files         0       66       +66     
  Lines         0     3876     +3876     
=========================================
+ Hits          0     3528     +3528     
- Misses        0      348      +348     

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[leanderweber]

Looked through it. Seems good!

[annahedstroem]

Notebook will be released at a later point.