Improve logging configuration

[arturo-seijas]

Applicable spec:

Overview

Follow up #402

Rationale

Juju Events Changes

Module Changes

Library Changes

Checklist

• The charm style guide was applied
• The contributing guide was applied
• The changes are compliant with ISD054 - Managing Charm Complexity
• The documentation is generated using src-docs
• The documentation for charmhub is updated
• The PR is tagged with appropriate label (urgent, trivial, complex)

[github-actions]

Test coverage for 4b2774a

Name                       Stmts   Miss Branch BrPart  Cover   Missing
----------------------------------------------------------------------
src/charm.py                 319      9     82      7    96%   597, 638-639, 727->743, 729->738, 738->743, 751-752, 791, 824->exit, 862-868
src/database_observer.py      32      0      4      0   100%
src/s3_observer.py            17      0      0      0   100%
src/saml_observer.py          14      0      0      0   100%
src/smtp_observer.py          15      0      0      0   100%
src/state.py                  73      0     10      0   100%
----------------------------------------------------------------------
TOTAL                        470      9     96      7    97%

Static code analysis report

Run started:2024-05-29 16:48:01.234342

Test results:
  No issues identified.

Code scanned:
  Total lines of code: 2885
  Total lines skipped (#nosec): 2
  Total potential issues skipped due to specifically being disabled (e.g., #nosec BXXX): 0

Run metrics:
  Total issues (by severity):
  	Undefined: 0
  	Low: 0
  	Medium: 0
  	High: 0
  Total issues (by confidence):
  	Undefined: 0
  	Low: 0
  	Medium: 0
  	High: 0
Files skipped (0):

[weiiwang01]

Spoke with Arturo, and it appears that some of the changes in this pull request will be superseeded by the updates in #406. As a result, I will be closing this pull request.