chore(deps): update dependency boto3 to v1.40.15

Author: renovate[bot]

pyproject.toml

@@ -8,7 +8,7 @@ authors = [
 requires-python = ">=3.9"
 dependencies = [
     "Authlib==1.6.1",
-    "boto3==1.40.11",
+    "boto3==1.40.15",
     "launchdarkly-server-sdk==9.12.0",
     "pypdf[crypto]==6.0.0",
     "python-jose[cryptography]==3.5.0",