Add Lindblad Noise Support

[samanthavbarron]

This is a preliminary/WIP/draft PR that adds some relevant classes to enable using Lindblad errors as instructions in a circuit when using OBP.

Some of the classes in this PR have significant overlap with those in qiskit-ibm-runtime and therefore may belong better there (or just have the functionality added there instead or something).

Something that we would also want would be a way of placing the Pauli Lindblad channels into the circuits and slices in the appropriate places, etc.

[coveralls]

Pull Request Test Coverage Report for Build 13336067055

Details

• 7 of 107 (6.54%) changed or added relevant lines in 2 files are covered.
• 300 unchanged lines in 7 files lost coverage.
• Overall coverage decreased (-75.9%) to 24.099%

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Changes Missing Coverage	Covered Lines	Changed/Added Lines	%
qiskit_addon_obp/backpropagation.py	1	14	7.14%
qiskit_addon_obp/utils/lindblad_noise.py	6	93	6.45%

Files with Coverage Reduction	New Missed Lines	%
qiskit_addon_obp/init.py	1	50.0%
qiskit_addon_obp/utils/metadata.py	23	65.67%
qiskit_addon_obp/utils/truncating.py	30	34.78%
qiskit_addon_obp/utils/operations.py	35	16.67%
qiskit_addon_obp/utils/simplify.py	40	39.39%
qiskit_addon_obp/utils/visualization.py	48	20.0%
qiskit_addon_obp/backpropagation.py	123	9.93%

Totals
Change from base Build 13182974064:	-75.9%
Covered Lines:	127
Relevant Lines:	527

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💛 - Coveralls