Update Requirements.txt - certifi 2025.10.5

Selenium 4.38.0 requires certifi>=2025.10.5, but it has certifi 2025.6.15 which is incompatible.

Author: Sreekala-Gopakumar

buildenv/requirements.txt

@@ -26,7 +26,7 @@ babel==2.12.1
     # via mkdocs-material
 backrefs==5.8
     # via mkdocs-material
-certifi==2025.6.15
+certifi==2025.10.5
     # via requests
 charset-normalizer==2.1.1
     # via requests