feat: Detect Drift on NodeClaims on changes to NodeClass

[engedaam]

Fixes #337

Description

• Detect drift on NodeClaims from when NodeClass get updated.

How was this change tested?

• make presubmit

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

[coveralls]

Pull Request Test Coverage Report for Build 8560232275

Details

• 5 of 40 (12.5%) changed or added relevant lines in 3 files are covered.
• 4 unchanged lines in 2 files lost coverage.
• Overall coverage decreased (-0.2%) to 78.745%

---

Changes Missing Coverage	Covered Lines	Changed/Added Lines	%
pkg/operator/operator.go	0	9	0.0%
pkg/controllers/nodeclaim/disruption/controller.go	5	16	31.25%
pkg/utils/nodeclaim/nodeclaim.go	0	15	0.0%

Files with Coverage Reduction	New Missed Lines	%
pkg/controllers/disruption/drift.go	2	90.63%
pkg/scheduling/requirements.go	2	97.98%

Totals
Change from base Build 8560206032:	-0.2%
Covered Lines:	8280
Relevant Lines:	10515

---

💛 - Coveralls

[jonathan-innis]

/lgtm
/approve

[jonathan-innis]

/lgtm
/approve

[k8s-ci-robot]

[APPROVALNOTIFIER] This PR is APPROVED

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

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