Update qiskit-experiments requirement in /scripts/nb-tester

Updates the requirements on [qiskit-experiments](https://github.com/Qiskit-Community/qiskit-experiments) to permit the latest version.
- [Release notes](https://github.com/Qiskit-Community/qiskit-experiments/releases)
- [Changelog](https://github.com/qiskit-community/qiskit-experiments/blob/main/docs/release_notes.rst)
- [Commits](qiskit-community/qiskit-experiments@0.14.1...0.14.2)

---
updated-dependencies:
- dependency-name: qiskit-experiments
  dependency-version: 0.14.2
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

scripts/nb-tester/requirements.txt

@@ -14,7 +14,7 @@ qiskit-addon-aqc-tensor[aer,quimb-jax]~=0.3.1; sys.platform != 'darwin'
 qiskit-addon-obp~=0.3.0
 qiskit-addon-cutting~=0.10.0
 qiskit-addon-pna~=0.2.0
-qiskit-experiments~=0.14.1
+qiskit-experiments~=0.14.2
 samplomatic~=0.20.0
 scipy~=1.17.1
 scikit-learn~=1.9.0