Replace inlineCallbacks with coroutines in navoidverify.py

[johannaengland]

Scope and purpose

Fixes #3435. Copied from #3433.

Contributor Checklist

Every pull request should have this checklist filled out, no matter how small it is.
More information about contributing to NAV can be found in the
Hacker's guide to NAV.

• Added a changelog fragment for towncrier
• Added/amended tests for new/changed code
• Added/changed documentation
• Linted/formatted the code with ruff, easiest by using pre-commit
• The first line of the commit message continues the sentence "If applied, this commit will ...", starts with a capital letter, does not end with punctuation and is 50 characters or less long. See https://cbea.ms/git-commit/
• This pull request is based on the correct upstream branch: For a patch/bugfix affecting the latest stable version, it should be based on that version's branch (<major>.<minor>.x). For a new feature or other additions, it should be based on master.

[codecov]

Codecov Report

❌ Patch coverage is 33.33333% with 2 lines in your changes missing coverage. Please review.
✅ Project coverage is 60.96%. Comparing base (ae54b1f) to head (358d649).
⚠️ Report is 56 commits behind head on master.

Files with missing lines	Patch %	Lines
python/nav/bin/navoidverify.py	33.33%	2 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##           master    #3436      +/-   ##
==========================================
+ Coverage   60.93%   60.96%   +0.02%     
==========================================
  Files         607      607              
  Lines       44018    44017       -1     
  Branches       48       48              
==========================================
+ Hits        26822    26834      +12     
+ Misses      17184    17171      -13     
  Partials       12       12              

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[sonarqubecloud]

Quality Gate passed

Issues
0 New issues
0 Accepted issues

Measures
0 Security Hotspots
0.0% Coverage on New Code
0.0% Duplication on New Code

See analysis details on SonarQube Cloud

[lunkwill42]

👍