uv: don't exit if update fails (#32859)

dont exit if fails
old-commit-hash: 66e1810c0de88f4b927b7a46d12ba96304052ace

tools/install_python_dependencies.sh

@@ -19,7 +19,6 @@ function update_uv() {
     fi
   done
   echo "Failed to update uv 5 times!"
-  exit 1
 }
 
 if ! command -v "uv" > /dev/null 2>&1; then