@joshuarli for context, this fails on Relay: https://github.com/getsentry/relay/actions/runs/20057809029/job/57528480346

Run getsentry/action-setup-venv@0958463ee0e02b9e8aa8f8e031afae1f84b80881
  with:
    cache-dependency-path: uv.lock
    install-cmd: uv sync --frozen --active
    venv-dir: .venv
  env:
    CARGO_TERM_COLOR: always
    RELAY_CARGO_ARGS: --locked
    IS_MASTER: true
    UV_PYTHON_INSTALL_DIR: /home/runner/work/_temp/uv-python-dir
Run actions/setup-python@0a5c61591373683505ea898e09a3ea4f39ef2b9c
  with:
    python-version-file: .python-version
    check-latest: false
    token: ***
    update-environment: true
    allow-prereleases: false
  env:
    CARGO_TERM_COLOR: always
    RELAY_CARGO_ARGS: --locked
    IS_MASTER: true
    UV_PYTHON_INSTALL_DIR: /home/runner/work/_temp/uv-python-dir
Error: The specified python version file at: .python-version doesn't exist.

Since .python-version would never be read on other repo's self-hosted e2e test, I thought we just hardcode it here to 3.12. What do you think?

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 99.51%. Comparing base (ce32fe9) to head (2408dcc).
⚠️ Report is 1 commits behind head on master.
✅ All tests successful. No failed tests found.

@@           Coverage Diff           @@
##           master    #4097   +/-   ##
=======================================
  Coverage   99.51%   99.51%           
=======================================
  Files           3        3           
  Lines         207      207           
=======================================
  Hits          206      206           
  Misses          1        1           

☔ View full report in Codecov by Sentry.
📢 Have feedback on the report? Share it here.

@joshuarli for context, this fails on Relay: https://github.com/getsentry/relay/actions/runs/20057809029/job/57528480346

Run getsentry/action-setup-venv@0958463ee0e02b9e8aa8f8e031afae1f84b80881
  with:
    cache-dependency-path: uv.lock
    install-cmd: uv sync --frozen --active
    venv-dir: .venv
  env:
    CARGO_TERM_COLOR: always
    RELAY_CARGO_ARGS: --locked
    IS_MASTER: true
    UV_PYTHON_INSTALL_DIR: /home/runner/work/_temp/uv-python-dir
Run actions/setup-python@0a5c61591373683505ea898e09a3ea4f39ef2b9c
  with:
    python-version-file: .python-version
    check-latest: false
    token: ***
    update-environment: true
    allow-prereleases: false
  env:
    CARGO_TERM_COLOR: always
    RELAY_CARGO_ARGS: --locked
    IS_MASTER: true
    UV_PYTHON_INSTALL_DIR: /home/runner/work/_temp/uv-python-dir
Error: The specified python version file at: .python-version doesn't exist.

Since .python-version would never be read on other repo's self-hosted e2e test, I thought we just hardcode it here to 3.12. What do you think?

sure, do it