Drop autoscaling/v2beta1 and policy/v1beta1

[nak3]

Proposed Changes

• As per title, these APIs are no longer supported on current supported k8s versions.

Release Note

autoscaling/v2beta1 and policy/v1beta1 are no longer supported. Please use autoscaling/v2 and policy/v1 if you are using custom manifests.

[codecov[bot]]

Codecov Report

Attention: 5 lines in your changes are missing coverage. Please review.

Comparison is base (91ec88c) 79.19% compared to head (7627f98) 79.40%. Report is 2 commits behind head on main.

Additional details and impacted files

```diff @@ Coverage Diff @@ ## main #1579 +/- ## ========================================== + Coverage 79.19% 79.40% +0.21% ========================================== Files 41 41 Lines 1855 1845 -10 ========================================== - Hits 1469 1465 -4 + Misses 281 277 -4 + Partials 105 103 -2 ``` | [Files](https://app.codecov.io/gh/knative/operator/pull/1579?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=knative) | Coverage Δ | | |---|---|---| | [.../reconciler/common/poddisruptionbudget\_override.go](https://app.codecov.io/gh/knative/operator/pull/1579?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=knative#diff-cGtnL3JlY29uY2lsZXIvY29tbW9uL3BvZGRpc3J1cHRpb25idWRnZXRfb3ZlcnJpZGUuZ28=) | `71.42% <28.57%> (+10.13%)` | :arrow_up: |

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[nak3]

/test eventing-upgrade-tests

[nak3]

/retest

    prober.go:106: expecting to have 3522 unique events received, but received 3502 unique events

[nak3]

/cc @houshengbo @ReToCode @skonto @pierDipi

[houshengbo]

/approve

[knative-prow[bot]]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: houshengbo, nak3, ReToCode

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