deploy: relax Operator node affinity

[EmilienM]

In the context of Hypershift (Hosted Clusters with OpenShift), where a Nodepool (terminology for a worker Node in HCP) is not a control-plane or a master Node but a worker, we can't force the Operator to be deployed on a master node that doesn't exist. Instead, we want to deploy it on a worker.

The proposal here is to relax the rule and use preferredDuringSchedulingIgnoredDuringExecution instead so the scheduler will try to find a master node or fallback on other nodes if not found.

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[coveralls]

Pull Request Test Coverage Report for Build 11894643215

Details

• 0 of 0 changed or added relevant lines in 0 files are covered.
• 6 unchanged lines in 2 files lost coverage.
• Overall coverage decreased (-0.02%) to 45.584%

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Files with Coverage Reduction	New Missed Lines	%
controllers/helper.go	1	68.75%
controllers/generic_network_controller.go	5	74.38%
<!--	Total:	6		-->

Totals
Change from base Build 11775378543:	-0.02%
Covered Lines:	6874
Relevant Lines:	15080

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💛 - Coveralls

[wizhaoredhat]

LGTM!

[SchSeba]

Hi @EmilienM can you take a quick look on the failed in the ocp lane please

[SchSeba]

please take a look on the helm deployment

https://github.com/k8snetworkplumbingwg/sriov-network-operator/blob/aecb4bb904f21c3da98e0163c461c0dc940183b9/deployment/sriov-network-operator-chart/values.yaml#L10-L24