[DPE-4227] Fix storage ownership

[marceloneppel]

Issue

If Patroni needs to reinitialise the data directory in the replicas and the storage where the data directory is created is mounted without permission for the postgres users to write on it, Patroni will fail its operation.

Solution

Fix the permissions of the data directory parent directory to enable Patroni to move/remove directories when needed.

Fixes #460.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 70.86%. Comparing base (9ea09b7) to head (34f27bb).
Report is 4 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #580      +/-   ##
==========================================
- Coverage   70.92%   70.86%   -0.07%     
==========================================
  Files          10       10              
  Lines        2817     2835      +18     
  Branches      525      531       +6     
==========================================
+ Hits         1998     2009      +11     
- Misses        720      724       +4     
- Partials       99      102       +3     

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[lucasgameiroborges]

LGTM