MON-4207: Bump prometheus-operator to v0.81.0

[slashpai]

• I added CHANGELOG entry for this change.
• No user facing changes, so no entry in CHANGELOG was needed.

[openshift-ci-robot]

@slashpai: This pull request references MON-4207 which is a valid jira issue.

Warning: The referenced jira issue has an invalid target version for the target branch this PR targets: expected the story to target the "4.19.0" version, but no target version was set.

In response to this:

• I added CHANGELOG entry for this change.
• No user facing changes, so no entry in CHANGELOG was needed.

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 openshift-eng/jira-lifecycle-plugin repository.

[machine424]

/retest-required
/lgtm

[slashpai]

/retest-required

[slashpai]

/retest-required

[slashpai]

/retest-required

[slashpai]

@machine424 can I get review again?
rebased against main

[jan--f]

/lgtm

[openshift-ci]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: jan--f, machine424, slashpai

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

The pull request process is described here

Needs approval from an approver in each of these files:

• OWNERS [jan--f,machine424,slashpai]

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

[openshift-ci]

New changes are detected. LGTM label has been removed.

[slashpai]

/retest-required

[slashpai]

/retest-required

[slashpai]

/retest-required

[slashpai]

/retest-required

[slashpai]

/retest-required

[openshift-ci]

@slashpai: The following tests failed, say /retest to rerun all failed tests or /retest-required to rerun all mandatory failed tests:

Test name	Commit	Details	Required	Rerun command
ci/prow/e2e-aws-ovn-single-node	a77a36c	link	false	/test e2e-aws-ovn-single-node
ci/prow/e2e-aws-ovn-techpreview	a77a36c	link	true	/test e2e-aws-ovn-techpreview
ci/prow/e2e-aws-ovn	a77a36c	link	true	/test e2e-aws-ovn
ci/prow/e2e-agnostic-operator	a77a36c	link	true	/test e2e-agnostic-operator
ci/prow/e2e-aws-ovn-upgrade	a77a36c	link	true	/test e2e-aws-ovn-upgrade

Full PR test history. Your PR dashboard.

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. I understand the commands that are listed here.