fix: uv venv error "a virtual environment already exist"

[konkerama]

Hello, the recent change of updating the version of uv broke our pipelines with the following error:

Installing uv.. installation_directory=/opt/actions-runner/_work/_actions/kishaningithub/setup-python-amazon-linux/v1/.setup-python-amazon-linux/uv
downloading uv 0.11.11 aarch64-unknown-linux-gnu
installing to /opt/actions-runner/_work/_actions/kishaningithub/setup-python-amazon-linux/v1/.setup-python-amazon-linux/uv
  uv
  uvx
everything's installed!
Run desired_python_version=$(${GITHUB_ACTION_PATH}/find-desired-python-version.sh "3.13" ".python-version")
desired_python_version=3.13
Run desired_python_version="3.13"
installation_directory=/home/ec2-user/.setup-python-amazon-linux/.python-versions/3.13
Run installation_directory="/home/ec2-user/.setup-python-amazon-linux/.python-versions/3.13"
Using CPython 3.13.13
Creating virtual environment at: /home/ec2-user/.setup-python-amazon-linux/.python-versions/3.13
error: Failed to create virtual environment
  Caused by: A virtual environment already exists at `/home/ec2-user/.setup-python-amazon-linux/.python-versions/3.13`. Use `--clear` to replace it

This pr fixes this