Only send analysis time updates every second

[eivindjahren]

Backport of #8942

• 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

[codecov-commenter]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 91.42%. Comparing base (e47bc09) to head (4b1ab6b).
Report is 1 commits behind head on version-11.0.

Additional details and impacted files

@@               Coverage Diff                @@
##           version-11.0    #9034      +/-   ##
================================================
+ Coverage         91.41%   91.42%   +0.01%     
================================================
  Files               343      343              
  Lines             21331    21335       +4     
================================================
+ Hits              19499    19505       +6     
+ Misses             1832     1830       -2     

Flag	Coverage Δ
cli-tests	38.98% <60.00%> (+0.01%)	⬆️
gui-tests	72.41% <60.00%> (+0.01%)	⬆️
performance-tests	49.23% <100.00%> (-0.03%)	⬇️
unit-tests	80.00% <20.00%> (+<0.01%)	⬆️

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