fix: samples/spookyshots/requirements.txt to reduce vulnerabilities

The following vulnerabilities are fixed by pinning transitive dependencies:
- https://snyk.io/vuln/SNYK-PYTHON-REQUESTS-10305723

Author: snyk-bot

samples/spookyshots/requirements.txt

@@ -4,3 +4,4 @@ python-dotenv
 streamlit_option_menu
 tornado>=6.4.2 # not directly required, pinned by Snyk to avoid a vulnerability
 urllib3>=2.2.2 # not directly required, pinned by Snyk to avoid a vulnerability
+requests>=2.32.4 # not directly required, pinned by Snyk to avoid a vulnerability