CVE-2023-44487 http/2 workaround

[chr15p]

CVE-2023-44487 is an issue with handling multiplexed streams in the HTTP/2 protocol. This PR works around it in the kube-proxy by just disabling http2 entirely to match with the downstream/release csv

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[openshift-ci]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: chr15p

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[chr15p]

looks like I was sniped by Quentin!

[openshift-ci]

@chr15p: The following test 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/security	1b6959e	link	false	/test security

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[qbarrand]

@chr15p I think we do need this in the release-2.0 branch.
MGMT-16007