chore: Move quickstart Prometheus port to 9090

[simster7]

No description provided.

[alexec]

you need to update hack/port-forward.sh too

[simster7]

you need to update hack/port-forward.sh too

Great catch

[codecov]

Codecov Report

❗ No coverage uploaded for pull request base (master@063d9bc). Click here to learn what that means.
The diff coverage is n/a.

@@            Coverage Diff            @@
##             master    #2487   +/-   ##
=========================================
  Coverage          ?   11.24%           
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  Files             ?       73           
  Lines             ?    30902           
  Branches          ?        0           
=========================================
  Hits              ?     3476           
  Misses            ?    26956           
  Partials          ?      470

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