Add CI workflows for Percona Server for PostgreSQL 17 and 18

[artemgavrilov]

Description

We missed to add these CI workflows after PPG 17 and 18 release

Links

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 85.32%. Comparing base (a3baae8) to head (3c984cc).
⚠️ Report is 3 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #607      +/-   ##
==========================================
- Coverage   85.33%   85.32%   -0.02%     
==========================================
  Files           3        3              
  Lines        1343     1342       -1     
  Branches      216      216              
==========================================
- Hits         1146     1145       -1     
  Misses         93       93              
  Partials      104      104              

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[AndersAstrand]

We should probably try to consolidate these workflows at some point, but this looks good for now!

[artemgavrilov]

We should probably try to consolidate these workflows at some point, but this looks good for now!

Agree!