refactor(python): use once + debug for License acquired from METADATA... logs

[DmitriyLewen]

Description

See #8160

Before:

2024-12-25T12:00:53+06:00       INFO    [python] License acquired from METADATA classifiers may be subject to additional terms  name="pip" version="24.2"
2024-12-25T12:00:53+06:00       INFO    [python] License acquired from METADATA classifiers may be subject to additional terms  name="autocommand" version="2.2.2"
2024-12-25T12:00:53+06:00       INFO    [python] License acquired from METADATA classifiers may be subject to additional terms  name="typeguard" version="4.3.0"
2024-12-25T12:00:53+06:00       INFO    [python] License acquired from METADATA classifiers may be subject to additional terms  name="mercurial" version="6.3.2"

After:

2024-12-25T12:01:29+06:00       INFO    [python] Licenses acquired from one or more METADATA files may be subject to additional terms. Use `--debug` flag to see all affected packages.
2024-12-25T12:01:29+06:00       DEBUG   [python] License acquired from METADATA classifiers may be subject to additional terms  name="pip" version="24.2"
2024-12-25T12:01:29+06:00       DEBUG   [python] License acquired from METADATA classifiers may be subject to additional terms  name="autocommand" version="2.2.2"
2024-12-25T12:01:29+06:00       DEBUG   [python] License acquired from METADATA classifiers may be subject to additional terms  name="typeguard" version="4.3.0"
2024-12-25T12:01:29+06:00       DEBUG   [python] License acquired from METADATA classifiers may be subject to additional terms  name="mercurial" version="6.3.2"

Related issues

• Close enhancement(python): use one info and multiple debug logs for License acquired from METADATA... message #8160

Checklist

• I've read the guidelines for contributing to this repository.
• I've followed the conventions in the PR title.
• I've added tests that prove my fix is effective or that my feature works.
• I've updated the documentation with the relevant information (if needed).
• I've added usage information (if the PR introduces new options)
• I've included a "before" and "after" example to the description (if the PR is a user interface change).