Fix failing pytest quantum/bb84.py (#8838)

* Fix failing pytest quantum/bb84.py

* Update bb84.py test results to match current qiskit

Author: cclauss

Diff for: .github/workflows/build.yml

@@ -24,7 +24,6 @@ jobs:
       - name: Run tests
         # TODO: #8818 Re-enable quantum tests
         run: pytest
-            --ignore=quantum/bb84.py
             --ignore=quantum/q_fourier_transform.py
             --ignore=project_euler/
             --ignore=scripts/validate_solutions.py

Diff for: quantum/bb84.py

@@ -64,10 +64,10 @@ def bb84(key_len: int = 8, seed: int | None = None) -> str:
         key: The key generated using BB84 protocol.
 
     >>> bb84(16, seed=0)
-    '1101101100010000'
+    '0111110111010010'
 
     >>> bb84(8, seed=0)
-    '01011011'
+    '10110001'
     """
     # Set up the random number generator.
     rng = np.random.default_rng(seed=seed)