BREAKING CHANGE: Update options defaults for v1beta1

[jonathan-innis]

Closes #103
Closes #727
Closes #726

Description

This PR implements a planned breaking change for the v0.33 beta upgrade which involves setting the following new defaults for the beta version while also dropping the settings merge logic:

1. The Drift feature gate is now enabled by default.
2. The webhooks are now disabled by default.
3. The global log level is now set to info by default if not overridden in the log configuration file

How was this change tested?

By submitting this pull request, I confirm that my contribution is made under the terms of the Apache 2.0 license.

[k8s-ci-robot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: jonathan-innis

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[coveralls]

Pull Request Test Coverage Report for Build 7014120007

• 3 of 3 (100.0%) changed or added relevant lines in 1 file are covered.
• No unchanged relevant lines lost coverage.
• Overall coverage decreased (-0.02%) to 79.553%

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Totals
Change from base Build 7013365339:	-0.02%
Covered Lines:	8015
Relevant Lines:	10075

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💛 - Coveralls

[engedaam]

/lgtm