browser: fix duplicate logs when fetching loglevel

[purarue]

No description provided.

[purarue]

No duplicate logs:

$ hpi --debug doctor -S my.browser.export
[DEBUG   2023-09-14 17:40:27,731 my.browser.export __init__.py:793 ] [my.browser.export:history] using inferred type <class 'browserexport.model.Visit'>
✅ OK  : my.browser.export                                 
[DEBUG   2023-09-14 17:40:27,734 my.browser.export __init__.py:958 ] using /home/sean/.cache/cachew/my.browser.export:history for db cache
[DEBUG   2023-09-14 17:40:27,736 my.browser.export __init__.py:962 ] new hash: {"cachew": "0.13.0", "schema": "[Column('url', String(), table=None), Column('dt', IsoDateTime(), table=None), Column('_metadata_is_null', Boolean(), table=None), Column('metadata_title', String(), table=None), Column('metadata_description', String(), table=None), Column('metadata_preview_image', String(), table=None), Column('metadata_duration', Integer(), table=None)]", "dependencies": "['/home/sean/data/browsing/browsing-1694545629.jsonl.gz', '/home/sean/data/browsing/chrome-20230913061701.sqlite', '/home/sean/data/browsing/chrome-20230914061715.sqlite', '/home/sean/data/browsing/firefox-20230913061700.sqlite', '/home/sean/data/browsing/firefox-20230914061714.sqlite']"}
[DEBUG   2023-09-14 17:40:27,744 my.browser.export __init__.py:994 ] old hash: {"cachew": "0.13.0", "schema": "[Column('url', String(), table=None), Column('dt', IsoDateTime(), table=None), Column('_metadata_is_null', Boolean(), table=None), Column('metadata_title', String(), table=None), Column('metadata_description', String(), table=None), Column('metadata_preview_image', String(), table=None), Column('metadata_duration', Integer(), table=None)]", "dependencies": "['/home/sean/data/browsing/browsing-1694545629.jsonl.gz', '/home/sean/data/browsing/chrome-20230913061701.sqlite', '/home/sean/data/browsing/chrome-20230914061715.sqlite', '/home/sean/data/browsing/firefox-20230913061700.sqlite', '/home/sean/data/browsing/firefox-20230914061714.sqlite']"}
[DEBUG   2023-09-14 17:40:27,744 my.browser.export __init__.py:1003] hash matched: loading from cache