fix: docs/samples/drift-detection/alibi-detect/cifar10/requirements_n…

…otebook.txt to reduce vulnerabilities

The following vulnerabilities are fixed by pinning transitive dependencies:
- https://snyk.io/vuln/SNYK-PYTHON-TRANSFORMERS-6239525

docs/samples/drift-detection/alibi-detect/cifar10/requirements_notebook.txt

@@ -1,3 +1,4 @@
 alibi-detect>=0.4.0
 matplotlib>=3.1.1
 tqdm>=4.45.0
+transformers>=4.38.0 # not directly required, pinned by Snyk to avoid a vulnerability