Only use logger.exception for unexpected exceptions

[eivindjahren]

• PR title captures the intent of the changes, and is fitting for release notes.
• Added appropriate release note label
• Commit history is consistent and clean, in line with the contribution guidelines.
• Make sure unit tests pass locally after every commit (git rebase -i main --exec 'pytest tests/ert/unit_tests -n logical -m "not integration_test"')

When applicable

• When there are user facing changes: Updated documentation
• New behavior or changes to existing untested code: Ensured that unit tests are added (See Ground Rules).
• Large PR: Prepare changes in small commits for more convenient review
• Bug fix: Add regression test for the bug
• Bug fix: Create Backport PR to latest release

[andreas-el]

💯

[codecov-commenter]

Codecov Report

Attention: Patch coverage is 22.22222% with 7 lines in your changes missing coverage. Please review.

Project coverage is 91.46%. Comparing base (1c82874) to head (4483bf3).

Files with missing lines	Patch %	Lines
src/ert/gui/tools/plot/plot_window.py	0.00%	5 Missing ⚠️
src/ert/__main__.py	50.00%	2 Missing ⚠️

Additional details and impacted files

@@               Coverage Diff                @@
##           version-11.0    #8876      +/-   ##
================================================
- Coverage         91.46%   91.46%   -0.01%     
================================================
  Files               343      343              
  Lines             21277    21275       -2     
================================================
- Hits              19461    19459       -2     
  Misses             1816     1816              

Flag	Coverage Δ
cli-tests	38.92% <11.11%> (-0.05%)	⬇️
gui-tests	72.41% <11.11%> (+0.02%)	⬆️
performance-tests	49.29% <11.11%> (-0.03%)	⬇️
unit-tests	80.11% <22.22%> (+<0.01%)	⬆️

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