fix: Traffic-Sign-Detection/requirements.txt to reduce vulnerabilities

The following vulnerabilities are fixed by pinning transitive dependencies:
- https://snyk.io/vuln/SNYK-PYTHON-PILLOW-2397241

Author: snyk-bot

Traffic-Sign-Detection/requirements.txt

@@ -67,7 +67,7 @@ pandas==1.2.0
 pandocfilters==1.4.3
 parso==0.8.1
 pickleshare==0.7.5
-Pillow==9.0.0
+Pillow==9.0.1
 pooch==1.3.0
 prometheus-client==0.9.0
 prompt-toolkit==3.0.10