Migration of kube-rbac-proxy in gitops-operator

[akhilnittala]

What type of PR is this?

Uncomment only one /kind line, and delete the rest.
For example, > /kind bug would simply become: /kind bug

/kind bug
/kind cleanup
/kind failing-test
/kind enhancement
/kind documentation
/kind code-refactoring

What does this PR do / why we need it:
Since kube-rbac-proxy has been officially deprecated and removed from the GCR repository, we are eliminating this image dependency by transitioning to the controller-runtime’s built-in functionality.

Have you updated the necessary documentation?

• Documentation update is required by this PR.
• Documentation has been updated.

Which issue(s) this PR fixes:

Fixes #?
https://redhat.atlassian.net/browse/GITOPS-9256
Test acceptance criteria:

• Unit Test
• E2E Test

How to test changes / Special notes to the reviewer:
Install gitops operator with this changes and verify gitops operator now has only one container created, but metrics should be there as it is without impacting gitops operator metrics functionality.

[openshift-ci]

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[jgwest]

Cluster flake
/retest