chore: use dario.cat/mergo instead of github.com/imdario/mergo

[mmorel-35]

Description

gomodguard allows to block some dependencies.

This ensure that github.com/imdario/mergo is not used anymore as it has been renamed dario.cat/mergo

[bunnyshell]

🔴 Preview Environment stopped on Bunnyshell

See: Environment Details | Pipeline Logs

Available commands (reply to this comment):

• 🔵 /bns:start to start the environment
• 🚀 /bns:deploy to redeploy the environment
• ❌ /bns:delete to remove the environment

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 55.20%. Comparing base (12a4dab) to head (cd4a14e).
Report is 4 commits behind head on master.

Additional details and impacted files

@@            Coverage Diff             @@
##           master   #21274      +/-   ##
==========================================
+ Coverage   53.34%   55.20%   +1.86%     
==========================================
  Files         337      337              
  Lines       57056    57055       -1     
==========================================
+ Hits        30439    31500    +1061     
+ Misses      23974    22855    -1119     
- Partials     2643     2700      +57     

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