Add pod anti affinity rules to activator component

[izabelacg]

Proposed Changes

• Add pod anti affinity rules to activator component similar to the rules already present in other components

Release Note

Add anti affinity rules to the activator deployment

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 84.71%. Comparing base (a0a1ac7) to head (2781462).

Additional details and impacted files

@@            Coverage Diff             @@
##             main   #15233      +/-   ##
==========================================
- Coverage   84.76%   84.71%   -0.06%     
==========================================
  Files         218      218              
  Lines       13473    13473              
==========================================
- Hits        11420    11413       -7     
- Misses       1687     1692       +5     
- Partials      366      368       +2     

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[ReToCode]

/lgtm
/approve

[knative-prow]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: izabelacg, ReToCode

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[dprotaso]

/cherry-pick release-1.14

[dprotaso]

Going to pull this back - we should have always had it

[knative-prow-robot]

@dprotaso: new pull request created: #15244

In response to this:

/cherry-pick release-1.14

Instructions for interacting with me using PR comments are available here. If you have questions or suggestions related to my behavior, please file an issue against the kubernetes-sigs/prow repository.

[dprotaso]

/cherry-pick release-1.13

[knative-prow-robot]

@dprotaso: new pull request created: #15259

In response to this:

/cherry-pick release-1.13

Instructions for interacting with me using PR comments are available here. If you have questions or suggestions related to my behavior, please file an issue against the kubernetes-sigs/prow repository.