Set keptn prometheus service and RBAC namespace to Orkestra

[nitishm]

Closes #397

Signed-off-by: Nitish Malhotra [email protected]

[nitishm]

@scotty-c Please try this out and let me know if you encounter any issues

[codecov-commenter]

Codecov Report

Merging #398 (164af9d) into main (a413430) will decrease coverage by 0.58%.
The diff coverage is n/a.

@@            Coverage Diff             @@
##             main     #398      +/-   ##
==========================================
- Coverage   70.40%   69.82%   -0.59%     
==========================================
  Files           9        9              
  Lines         517      517              
==========================================
- Hits          364      361       -3     
- Misses        132      134       +2     
- Partials       21       22       +1     

Impacted Files	Coverage Δ
controllers/appgroup_controller.go	77.19% <0.00%> (-5.27%)	⬇️

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[scotty-c]

@nitishm one change i would make is to change this command kubectl create -f bookinfo-keptn-cm.yaml -n orkestra to
kubectl create -f examples/keptn/bookinfo.yaml so the user can stay in the root directory to run the demo

[scotty-c]

LGTM