pkg/cwhub: improve error messages

[mmetc]

less verbose + handle the case where latest version is missing

[github-actions]

@mmetc: There are no 'kind' label on this PR. You need a 'kind' label to generate the release automatically.

• /kind feature
• /kind enhancement
• /kind fix
• /kind chore
• /kind dependencies

Details

I am a bot created to help the crowdsecurity developers manage community feedback and contributions. You can check out my manifest file to understand my behavior and what I can do. If you want to use this for your project, you can check out the BirthdayResearch/oss-governance-bot repository.

[github-actions]

@mmetc: There are no area labels on this PR. You can add as many areas as you see fit.

• /area agent
• /area local-api
• /area cscli
• /area security
• /area configuration

Details

I am a bot created to help the crowdsecurity developers manage community feedback and contributions. You can check out my manifest file to understand my behavior and what I can do. If you want to use this for your project, you can check out the BirthdayResearch/oss-governance-bot repository.

[codecov]

Codecov Report

Attention: 8 lines in your changes are missing coverage. Please review.

Comparison is base (f306d59) 55.08% compared to head (6d6b8c1) 55.16%.
Report is 3 commits behind head on master.

Files	Patch %	Lines
pkg/cwhub/itemupgrade.go	50.00%	5 Missing and 1 partial ⚠️
cmd/crowdsec-cli/hubappsec.go	0.00%	2 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##           master    #2712      +/-   ##
==========================================
+ Coverage   55.08%   55.16%   +0.07%     
==========================================
  Files         227      227              
  Lines       30360    30388      +28     
==========================================
+ Hits        16724    16763      +39     
+ Misses      12015    12009       -6     
+ Partials     1621     1616       -5     

Flag	Coverage Δ
bats	36.74% <70.37%> (+0.04%)	⬆️
unit-linux	49.68% <24.00%> (+<0.01%)	⬆️
unit-windows	47.88% <24.00%> (-0.02%)	⬇️

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[sabban]

lgtm