[release-1.9] 🌱 Add --additional-sync-machine-labels to allow syncing additional labels to Nodes

[ykakarap]

This is an manual cherry-pick of #11650

[k8s-ci-robot]

@ykakarap: 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
pull-cluster-api-apidiff-release-1-9	aedd954	link	false	/test pull-cluster-api-apidiff-release-1-9

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[chrischdi]

/area machine

/lgtm

[k8s-ci-robot]

LGTM label has been added.

Git tree hash: 14320cb3e1742dbc6c9c84a4545106065d38c8b7

[sbueringer]

Thx!

/approve

[k8s-ci-robot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: sbueringer

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