refact pkg/parser: extract method, avoid calling defer in loop

[mmetc]

No description provided.

[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 refactoring
• /kind fix
• /kind chore
• /kind dependencies

Details

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[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 appsec
• /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: Patch coverage is 59.21053% with 31 lines in your changes missing coverage. Please review.

Project coverage is 57.83%. Comparing base (4004868) to head (3617ec4).

Files with missing lines	Patch %	Lines
pkg/parser/stage.go	58.66%	21 Missing and 10 partials ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##           master    #3564      +/-   ##
==========================================
+ Coverage   57.82%   57.83%   +0.01%     
==========================================
  Files         391      391              
  Lines       43728    43741      +13     
==========================================
+ Hits        25284    25298      +14     
- Misses      16300    16301       +1     
+ Partials     2144     2142       -2     

Flag	Coverage Δ
bats	42.71% <56.57%> (+0.03%)	⬆️
unit-linux	32.99% <59.21%> (+0.01%)	⬆️
unit-windows	22.69% <59.21%> (+<0.01%)	⬆️

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