chore: pin certifi until upstream issue is fixed

problematic point: certifi/python-certifi#349

Author: xmatthias

requirements.txt

@@ -15,6 +15,7 @@ humanize==4.12.2
 cachetools==5.5.2
 requests==2.32.3
 urllib3==2.4.0
+certifi==2025.01.31
 jsonschema==4.23.0
 TA-Lib==0.4.38
 technical==1.5.0