Fix: verify-azure-function-with-packages #383

[Willmish]

Pull Request

Issue Number: #383

Summary

Replace current method of removing dangling images to do so only if there are any (and avoid running docker rmi -f with no params).

Checklist

• Local Tests Passing?
• CICD and Pipeline Tests Passing?
• Added any new Tests?
• Documentation Updates Made?
• Are there any API Changes? If yes, please describe below.
• This is not a breaking change. If it is, please describe it below.

Anything else?

Other comments, collaborators, etc.

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This PR Closes #383

[codecov-commenter]

Codecov Report

Merging #393 (d1cb14c) into dev (b3b3189) will increase coverage by 0.72%.
Report is 16 commits behind head on dev.
The diff coverage is 75.00%.

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@@            Coverage Diff             @@
##              dev     #393      +/-   ##
==========================================
+ Coverage   74.21%   74.93%   +0.72%     
==========================================
  Files          77       77              
  Lines        2637     2637              
  Branches      266      265       -1     
==========================================
+ Hits         1957     1976      +19     
+ Misses        598      580      -18     
+ Partials       82       81       -1     

Files Changed	Coverage Δ
...re.WebApi/src/Controllers/CarbonAwareController.cs	93.82% <ø> (ø)
...s.ElectricityMaps/src/ElectricityMapsDataSource.cs	65.04% <50.00%> (+0.97%)	⬆️
...arbonAware.WebApi/src/Models/CarbonIntensityDTO.cs	100.00% <100.00%> (ø)

... and 1 file with indirect coverage changes

[Willmish]

@danuw now fixed :)

[danuw]

approved - thanks