chore: configure timeouts for HTTP/2

[feiskyer]

What type of PR is this?

/kind bug

What this PR does / why we need it:

Configure timeouts for HTTP/2

• http2.ReadIdleTimeout - The interval of health check for idle connections.
• http2.PingTimeout - The timeout for server to respond to a client ping.

Also added a unit test for the default transport.

Which issue(s) this PR fixes:

Fixes #

Special notes for your reviewer:

Does this PR introduce a user-facing change?

NONE

Additional documentation e.g., KEPs (Kubernetes Enhancement Proposals), usage docs, etc.:

[k8s-ci-robot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: feiskyer

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• OWNERS [feiskyer]

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[MartinForReal]

/lgtm

[feiskyer]

/cherry-pick release-1.32

[feiskyer]

/cherry-pick release-1.31

[feiskyer]

/cherry-pick release-1.30

[feiskyer]

/cherry-pick release-1.29

[feiskyer]

/cherry-pick release-1.28

[k8s-infra-cherrypick-robot]

@feiskyer: new pull request created: #8384

In response to this:

/cherry-pick release-1.32

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.

[k8s-infra-cherrypick-robot]

@feiskyer: new pull request created: #8385

In response to this:

/cherry-pick release-1.31

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.

[k8s-infra-cherrypick-robot]

@feiskyer: new pull request created: #8386

In response to this:

/cherry-pick release-1.30

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.

[k8s-infra-cherrypick-robot]

@feiskyer: #8352 failed to apply on top of branch "release-1.29":

Patch is empty.
hint: When you have resolved this problem, run "git am --continue".
hint: If you prefer to skip this patch, run "git am --skip" instead.
hint: To record the empty patch as an empty commit, run "git am --allow-empty".
hint: To restore the original branch and stop patching, run "git am --abort".
hint: Disable this message with "git config advice.mergeConflict false"

In response to this:

/cherry-pick release-1.29

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.

[k8s-infra-cherrypick-robot]

@feiskyer: new pull request created: #8387

In response to this:

/cherry-pick release-1.28

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.

[MartinForReal]

https://github.com/kubernetes-sigs/cloud-provider-azure/releases/tag/pkg%2Fazclient%2Fv0.4.18

[MartinForReal]

it is included in v0.4.18