chore: update werkzeug to 3.1.6 and add idna 3.15 to dependencies

Author: Dhanushree-Microsoft

src/backend-api/pyproject.toml

@@ -38,10 +38,11 @@ override-dependencies = [
     "azure-core==1.38.0",
     "urllib3==2.7.0",
     "requests==2.33.0",
-    "werkzeug==3.1.4",
+    "werkzeug==3.1.6",
     "pygments==2.20.0",
     "black==26.3.1",
     "cryptography==46.0.7",
     "pyjwt==2.12.0",
     "pyopenssl==26.0.0",
+    "idna==3.15",
 ]

src/backend-api/uv.lock

@@ -62,4 +62,5 @@ prerelease = "allow"
 override-dependencies = [
     "urllib3==2.7.0",
     "authlib==1.7.1",
+    "idna==3.15",
 ]