[feat] added placementGroup to full flavors

[prajwalvathreya]

What this PR does / why we need it: This PR adds the placement groups to full flavors by default when a cluster is created

Which issue(s) this PR fixes (optional, in fixes #<issue number>(, fixes #<issue_number>, ...) format, will close the issue(s) when PR gets merged):
Fixes #

Special notes for your reviewer:

TODOs:

• squashed commits
• includes documentation
• adds unit tests
• adds or updates e2e tests

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 64.91%. Comparing base (3a88aed) to head (91018ab).
Report is 1 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main     #499   +/-   ##
=======================================
  Coverage   64.91%   64.91%           
=======================================
  Files          77       77           
  Lines        3982     3982           
=======================================
  Hits         2585     2585           
  Misses       1166     1166           
  Partials      231      231           

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

[komer3]

LGTM!