Migrate QGT and QFI from qiskit-algorithms

[edoaltamura]

Summary

Introduces the QGT and QFI classes from gradients from qiskit-algorithms.

Details and comments

Compatible with V2 primitives and, provided #973 is not merged, qiskit<=1.4.3. Once #973 is merged, these should be compatible with qiskit 2.x.

[coveralls]

Pull Request Test Coverage Report for Build 18913674529

Details

• 306 of 330 (92.73%) changed or added relevant lines in 7 files are covered.
• No unchanged relevant lines lost coverage.
• Overall coverage increased (+0.2%) to 90.824%

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Changes Missing Coverage	Covered Lines	Changed/Added Lines	%
qiskit_machine_learning/gradients/utils.py	44	47	93.62%
qiskit_machine_learning/gradients/qfi.py	35	39	89.74%
qiskit_machine_learning/gradients/base/base_qgt.py	103	110	93.64%
qiskit_machine_learning/gradients/lin_comb/lin_comb_qgt.py	100	110	90.91%

Totals
Change from base Build 17752278360:	0.2%
Covered Lines:	4939
Relevant Lines:	5438

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💛 - Coveralls