Use account_usage_schema config in all places

[mars-lan]

🤔 Why?

#936 added the config but missed a few spots.

🤓 What?

As titled.

🧪 Tested?

Verified end-to-end against a production instance with mirrored ACCOUNT_USAGE schema and privilege to read SNOWFLAKE db revoked.

☑️ Checks

• My PR contains actual code changes, and I have updated the version number in pyproject.toml.

[elic-eon]

LGTM

[github-actions]

☂️ Python Coverage

current status: ✅

Overall Coverage

Lines	Covered	Coverage	Threshold	Status
11788	10473	89%	85%	🟢

New Files

No new covered files...

Modified Files

File	Coverage	Status
metaphor/snowflake/config.py	100%	🟢
metaphor/snowflake/extractor.py	85%	🟢
metaphor/snowflake/lineage/extractor.py	68%	🟢
metaphor/snowflake/utils.py	63%	🟢
TOTAL	79%	🟢

updated for commit: 6f9165e by action🐍

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 88.84%. Comparing base (59c5856) to head (6f9165e).
Report is 1 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main     #952   +/-   ##
=======================================
  Coverage   88.84%   88.84%           
=======================================
  Files         182      182           
  Lines       11787    11788    +1     
=======================================
+ Hits        10472    10473    +1     
  Misses       1315     1315           

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