[release-1.10] Add more env vars for pingsource adapter env var preservation

[knative-prow-robot]

This is an automated cherry-pick of #1534

Add more env vars for pingsource adapter env var preservation to prevent the eventing-controller and the operator fighting to set env var values.

[knative-prow]

[APPROVALNOTIFIER] This PR is NOT APPROVED

This pull-request has been approved by: knative-prow-robot
Once this PR has been reviewed and has the lgtm label, please assign kvmware for approval. For more information see the Kubernetes Code Review Process.

The full list of commands accepted by this bot can be found here.

Needs approval from an approver in each of these files:

• OWNERS

Approvers can indicate their approval by writing /approve in a comment
Approvers can cancel approval by writing /approve cancel in a comment

[codecov]

Codecov Report

Patch and project coverage have no change.

Comparison is base (5ed4238) 79.32% compared to head (3d620b7) 79.32%.

Additional details and impacted files

@@              Coverage Diff              @@
##           release-1.10    #1537   +/-   ##
=============================================
  Coverage         79.32%   79.32%           
=============================================
  Files                40       40           
  Lines              1775     1775           
=============================================
  Hits               1408     1408           
  Misses              267      267           
  Partials            100      100           

Files Changed	Coverage Δ
...knativeeventing/common/replicasenvvarstransform.go	70.58% <ø> (ø)

☔ View full report in Codecov by Sentry.
📢 Have feedback on the report? Share it here.

[aliok]

/close

This fails, so I've created #1539

[knative-prow]

@aliok: Closed this PR.

In response to this:

/close

This fails, so I've created #1539

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/test-infra repository.