chore: update prometheus-operator

[nakamasato]

WIP:

• The result of https://github.com/nakamasato/kubernetes-training/pull/291 is not expected.

[codecov[bot]]

Codecov Report

Merging #289 (1d6d840) into main (efbd822) will not change coverage. Report is 1 commits behind head on main. The diff coverage is n/a.

@@           Coverage Diff           @@
##             main     #289   +/-   ##
=======================================
  Coverage   31.97%   31.97%           
=======================================
  Files           3        3           
  Lines         172      172           
=======================================
  Hits           55       55           
  Misses        116      116           
  Partials        1        1