✅ Fix test that fails with Qiskit 2.2.0 (#470)

## Description

Inspired by
https://github.com/Qiskit/qiskit/pull/14904/files#r2294777337, this
fixes the test that fails with Qiskit 2.2.0.

## Checklist:

- [x] The pull request only contains commits that are focused and
relevant to this change.
- [x] I have added appropriate tests that cover the new/changed
functionality.
- [x] ~I have updated the documentation to reflect these changes.~
- [x] ~I have added entries to the changelog for any noteworthy
additions, changes, fixes, or removals.~
- [x] ~I have added migration instructions to the upgrade guide (if
needed).~
- [x] The changes follow the project's style guidelines and introduce no
new warnings.
- [x] The changes are fully tested and pass the CI checks.
- [x] I have reviewed my own code changes.

---------

Co-authored-by: pre-commit-ci[bot] <66853113+pre-commit-ci[bot]@users.noreply.github.com>

Author: denialhaag

pyproject.toml

@@ -30,9 +30,12 @@ dynamic = ["version"]
 
 dependencies = [
     "mqt.bench>=2.0.0",
-    "qiskit>=1.3.3,<2.2.0",
+    "qiskit>=1.3.3",
     "pytket>=1.29.0", # lowest version that supports the used pytket AutoRebase pass instead of auto_rebase
     "pytket_qiskit>=0.61.0",
+    # TODO(denialhaag): Remove once pytket_qiskit is updated
+    #   https://github.com/munich-quantum-toolkit/predictor/issues/471
+    "qiskit-ibm-runtime>=0.30.0,<0.42.0",
     "sb3_contrib>=2.0.0",
     "tqdm>=4.66.0",
     "rich>=12.6.0",

src/mqt/predictor/rl/parsing.py

@@ -19,6 +19,7 @@
 from pytket.circuit import Node
 from pytket.placement import place_with_map
 from qiskit import QuantumRegister
+from qiskit.converters import circuit_to_dag, dag_to_circuit
 from qiskit.transpiler import Layout, TranspileLayout
 from qiskit.transpiler.passes import ApplyLayout
 
@@ -245,5 +246,5 @@ def postprocess_vf2postlayout(
     apply_layout.property_set["final_layout"] = layout_before.final_layout
     apply_layout.property_set["post_layout"] = post_layout
 
-    altered_qc = apply_layout(qc)
-    return altered_qc, apply_layout
+    altered_qc = apply_layout.run(circuit_to_dag(qc))
+    return dag_to_circuit(altered_qc), apply_layout

tests/compilation/test_helper_rl.py

@@ -77,8 +77,6 @@ def test_vf2_layout_and_postlayout() -> None:
 
     assert pm.property_set["VF2PostLayout_stop_reason"] == VF2PostLayoutStopReason.SOLUTION_FOUND
 
-    postprocessed_vf2postlayout_qc, _ = postprocess_vf2postlayout(
-        altered_qc, pm.property_set["post_layout"], qc_transpiled.layout
-    )
+    _, pass_manager = postprocess_vf2postlayout(altered_qc, pm.property_set["post_layout"], qc_transpiled.layout)
 
-    assert initial_layout_before != postprocessed_vf2postlayout_qc.layout.initial_layout
+    assert initial_layout_before != pass_manager.property_set["initial_layout"]