main: Update dependency boto3 to v1.38.18

Author: renovate-bot

client/python/pyproject.toml

@@ -34,7 +34,7 @@ dependencies = [
     "python-dateutil>=2.8.2",
     "pydantic>=2.0.0",
     "typing-extensions>=4.7.1",
-    "boto3==1.38.15",
+    "boto3==1.38.18",
 ]
 
 [project.urls]