flag to run simulation in reverse

[Geremia]

• optional argument (bool "reverse") to simpleSimulation for running simulations backward
• C++ and Python tests of this for cost and line aware simulations

Note: This requires C++20:

$ mkdir build
$ cd build
$ cmake .. -DCMAKE_BUILD_TYPE=Release -DCMAKE_CXX_FLAGS='-lgtest -std=c++20' -DBINDINGS=ON
$ make

Building the Python wheel:

$ export CXXFLAGS='-lgtest -std=c++20'
$ python3 -m build --wheel
$ pip install ./dist/mqt_syrec-1.2.1.dev20+g6763cee-cp312-cp312-linux_x86_64.whl

Test Python binding simple_simulation:

$ python -m pytest test/python/test_syrec.py

Fixes discussion #223 .

[burgholzer]

Thanks for the contribution!
This looks good overall, but it's not necessary to use C++20 features here. See the inline comment.

[burgholzer]

No need to use ranges here and raise the minimum standard to C++20.
Just use circ.crbegin() and circ.crend() to do the reverse iteration.

[codecov]

Codecov Report

Attention: Patch coverage is 88.88889% with 1 line in your changes missing coverage. Please review.

Files with missing lines	Patch %	Lines
src/algorithms/simulation/simple_simulation.cpp	80.0%	0 Missing and 1 partial ⚠️

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