feat: update operator sdk version

[jobcespedes]

Checklist:

• Have you added an explanation of what your changes do and why you'd like them to be included?
• Have you updated or added documentation for the change, as applicable?
• Have you tested your changes on all related environments with successful results, as applicable?

Type of Changes:

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to change)

What is the current behavior? (link to any open issues here)

What is the new behavior (if this is a feature change)?

Other information:

[krestomatio-cibot]

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[jobcespedes]

/test k8s

[jobcespedes]

/test k8s

[krestomatio-cibot]

@jobcespedes: The following test failed, say /retest to rerun them all:

Test name	Commit	Details	Rerun command
k8s	b8b39ba	link	/test k8s

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