chore(deps): update dependency certifi to v2025.8.3

Author: renovate-bot

samples/snippets/requirements.txt

@@ -1,5 +1,5 @@
 alembic==1.16.4;  python_version >= '3.9'
-certifi==2025.7.14
+certifi==2025.8.3
 charset-normalizer==3.4.2
 geoalchemy2===0.17.1; python_version == '3.9'
 geoalchemy2==0.18.0; python_version >= '3.10'