Update `openqaoa-qiskit` to Qiskit 1.0

[KilianPoirier]

Issue Description

OpenQAOA is currently not compatible with the latest major release of Qiskit 1.0 and above, for more details see Qiskit release notes.

It is important that we update the package requirements and migrate to this new release before the anterior version becomes obsolete and support from the IBM backends stop for older versions of the package.

This issue concerns mostly the Qiskit plugin (openqaoa-qiskit) but also has implications on the Azure plugin (openqaoa-azure) because of its dependencies.

Changes to be made

• Update Qiskit dependencies in openqaoa-qiskit to be compatible with the latest major release. More details can be found in the release notes and the migration guide provided by IBM. Changes include:
  • Repackaging of the qiskit package. qiskit-terra has been removed and the core of the package is now located in qiskit itself. qiskit-aer now has to be imported on its own.
  • Update of the primitives features.
  • QASM conversion methods have been removed.
• Update Qiskit dependencies in openqaoa-azure if needed. Currently the version of Qiskit in the Azure quantum package is limited to <1.0 but it may be updated in the near future.

[prakharb10]

Submitted #312 as a possible fix