backport: Enable priv init container for OpenShift

[ksubrmnn]

Description:
Cherry-picks ed30fa8 for release-v0.9 tests,
required for e2e tests to work on OpenShift.

Affected area:

Functional Area
New Functionality	[ ]
Documentation	[ ]
Install	[]
CLI Tool	[ ]
Certificate Management	[ ]
Control Plane	[ ]
Ingress	[ ]
Egress	[ ]
Networking	[ ]
Observability	[ ]
SMI Policy	[ ]
Sidecar Injection	[ ]
Security	[ ]
Upgrade	[ ]
Tests	[X]
CI System	[ ]
Demo	[]
Performance	[ ]
Other	[ ]

Please answer the following questions with yes/no.

1. Does this change contain code from or inspired by another project?
   • Did you notify the maintainers and provide attribution?
     No
2. Is this a breaking change?
   No

[codecov-commenter]

Codecov Report

Merging #3730 (62507f1) into release-v0.9 (7b40684) will increase coverage by 0.03%.
The diff coverage is n/a.

@@               Coverage Diff                @@
##           release-v0.9    #3730      +/-   ##
================================================
+ Coverage         66.54%   66.58%   +0.03%     
================================================
  Files               169      169              
  Lines              7945     7945              
================================================
+ Hits               5287     5290       +3     
+ Misses             2625     2622       -3     
  Partials             33       33              

Flag	Coverage Δ
unittests	66.58% <ø> (+0.03%)	⬆️

Flags with carried forward coverage won't be shown. Click here to find out more.

Impacted Files	Coverage Δ
pkg/endpoint/providers/kube/client.go	79.20% <0.00%> (+0.99%)	⬆️
pkg/ticker/ticker.go	70.66% <0.00%> (+2.66%)	⬆️

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