Add permissions to mkdir command in preinst script

[thomas-senechal]

Delivery Quality Checklist

• Breaking Changes in API:
  Does this PR introduce breaking changes in the API?

  • If yes, have you considered making it backward compatible?
  • If backward compatibility is not considered, set the "breaking-change" label.

• Changelog:

  • For bugfix PR, set the "bugfix" label
  • If this change should not appear in changelog, use "ignore-for-changelog" label

• Version Update Handling:
  Have you ensured that the version update by user is handled correctly?

• PR Dependency:
  Does this PR depend on another PR?

  • If yes, is it necessary for the dependency to be released prior to merging this one?

• Documentation:

  • Are any necessary changes made to user-facing documentation?
  • Confirm that API documentation is updated with any relevant changes.
  • Check that README and other documentation files are accurate and current.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Comparison is base (33957a0) 25.27% compared to head (dabb376) 25.50%.

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #1258      +/-   ##
==========================================
+ Coverage   25.27%   25.50%   +0.22%     
==========================================
  Files          25       24       -1     
  Lines        1559     1545      -14     
==========================================
  Hits          394      394              
+ Misses       1152     1138      -14     
  Partials       13       13              

see 1 file with indirect coverage changes

☔ View full report in Codecov by Sentry.
📢 Have feedback on the report? Share it here.