More controll over snapshot-controller scheduling

[alex-berger]

Apply nodeSelector, affinity, tolerations and priorityClassName to snapshoter. This PR brings the snapshot-controller StatefulSet on par with the ebs-csi-controller Deployment, applying the same scheduling settings to it. This is important
for clusters where cluster-addons (like the aws-ebs-csi-driver) are scheduled to dedicated node groups, which are
isolated from other (general purpose) node groups.

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[coveralls]

Pull Request Test Coverage Report for Build 1555

• 0 of 0 changed or added relevant lines in 0 files are covered.
• No unchanged relevant lines lost coverage.
• Overall coverage remained the same at 81.196%

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Totals
Change from base Build 1551:	0.0%
Covered Lines:	1697
Relevant Lines:	2090

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💛 - Coveralls

[alex-berger]

/assign @ayberk

[ayberk]

This makes sense to me, thanks for you contribution. Can you please update the chart version?

[ayberk]

/ok-to-test

[ayberk]

/approve
/lgtm

Thanks!

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[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: alex-berger, ayberk

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