Cap qiskit-aer version in extra dependency (#1291)

### Summary

I found currently all PRs including the main branch fail in CI due to
QPT/QST unittest including reset instruction. Likely this is due to
qiskit-aer 0.13. I added version cap not to install this version as a
temporary fix.

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Co-authored-by: Toshinari Itoko <15028342+itoko@users.noreply.github.com>
Co-authored-by: Will Shanks <wshaos@posteo.net>

requirements-extras.txt

@@ -1,5 +1,5 @@
 qiskit-ibm-provider>=0.6.1 # for submitting experiments to backends through the IBM provider
 cvxpy>=1.3.2 # for tomography
 scikit-learn # for discriminators
-qiskit-aer>=0.11.0 # for QV simulations
+qiskit-aer>=0.11.0,<=0.12.2 # Temporary version pin because of https://github.com/Qiskit-Extensions/qiskit-experiments/issues/1292
 qiskit_dynamics>=0.4.0 # for the PulseBackend