Getting "Fail to hash files under directory" error for `.python-version` file on self-hosted repo

[aldy505]

Environment

3.2.0

Steps to Reproduce

Bump from v3.1.0 to v3.2.0 without any configuration changes

Expected Result

Successful run, I guess?

Actual Result

Run getsentry/action-setup-venv@5a80476d175edf56cb205b08bc58986fa99d1725
  with:
    python-version: 3.12
    cache-dependency-path: uv.lock
    install-cmd: uv sync --frozen --active
    working-directory: /home/runner/work/self-hosted/self-hosted/./
    venv-dir: .venv
  env:
    REPORT_SELF_HOSTED_ISSUES: 0
    SELF_HOSTED_TESTING_DSN: https://foo@o1.ingest.us.sentry.io/6627632
    CONTAINER_ENGINE_PODMAN: 0
    UV_PYTHON_INSTALL_DIR: /home/runner/work/_temp/uv-python-dir
Error: The template is not valid. getsentry/action-setup-venv/5a80476d175edf56cb205b08bc58986fa99d1725/action.yml (Line: 30, Col: 30): hashFiles('/home/runner/work/self-hosted/self-hosted/.//.python-version') failed. Fail to hash files under directory '/home/runner/work/self-hosted/self-hosted'

.python-version file is declared here: https://github.com/getsentry/self-hosted/blob/master/.python-version

I don't know what the error message means.