Adjust resources.requests of eventing-webhook

[faruryo]

Fixes #4987

Proposed Changes

• Adjust resources.requests of eventing-webhook
  • Respond to the fact that the eventing-webhook is set to HorizontalPodAutoscaler, which may scale the pod extra if CPU requests are too low.
  • Memory resources were also adjusted, as their usage is clearly higher than the current Requests.

(Intel(R) Core(TM) i3-10110U CPU @ 2.10GHz)

Release Note

Fix excessive number of Replicas for eventing-webhook

Docs

[knative-prow-robot]

Welcome @faruryo! It looks like this is your first PR to knative/eventing 🎉

[knative-prow-robot]

Hi @faruryo. Thanks for your PR.

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[codecov]

Codecov Report

Merging #5112 (adce6fe) into main (2dcdb47) will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff           @@
##             main    #5112   +/-   ##
=======================================
  Coverage   83.26%   83.26%           
=======================================
  Files         283      283           
  Lines        7957     7957           
=======================================
  Hits         6625     6625           
  Misses        958      958           
  Partials      374      374           

---

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[vaikas]

/ok-to-test

[vaikas]

/lgtm

[knative-prow-robot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: vaikas

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[pierDipi]

/cherry-pick release-0.21

[knative-prow-robot]

@pierDipi: new pull request created: #5125

In response to this:

/cherry-pick release-0.21

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[grantr]

Thank you @faruryo for the quick fix! Congratulations on your first contribution 😄