Switch default audit policy to beta and omit RequestReceived stage

[crassirostris]

Related to #52265

By default, clusters on GCE no longer sends RequestReceived audit event, if advanced audit is configured.

[tallclair]

/lgtm

[roberthbailey]

/approve

[k8s-github-robot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: crassirostris, roberthbailey, tallclair

Associated issue: 52265

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[fejta-bot]

/retest
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Review the full test history for this PR.

[k8s-github-robot]

/test all [submit-queue is verifying that this PR is safe to merge]

[k8s-ci-robot]

@crassirostris: The following tests failed, say /retest to rerun them all:

Test name	Commit	Details	Rerun command
pull-kubernetes-unit	0933f5c	link	/test pull-kubernetes-unit
pull-kubernetes-federation-e2e-gce	0933f5c	link	/test pull-kubernetes-federation-e2e-gce

Full PR test history. Your PR dashboard. Please help us cut down on flakes by linking to an open issue when you hit one in your PR.

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[k8s-github-robot]

Automatic merge from submit-queue (batch tested with PRs 52339, 52343, 52125, 52360, 52301)