Log statement omits default Python version file #428

Description:
When neither python-version nor python-version-file is specified, the setup-python correctly defaults to reading the Python version from .python-version as documented. However, it logs: Resolved as x.y.z.

Action version:
v4.0.0

Platform:

• Ubuntu
• macOS
• Windows

Runner type:

• Hosted
• Self-hosted

Tools version:
All

Repro steps:

1. Create a .python-version file containing 3.10.4.

2. Add the following to your workflow:

   - name: Set up Python based on .python-version file.
     uses: actions/setup-python@v4.0.0

3. Run your workflow.

4. Examine the logs.

Expected behavior:
I expected the logs to include: Resolved .python-version as 3.10.4.

Actual behavior:
The pertinent log statement says: Resolved as 3.10.4.