Update deployment-operator chart to 0.6.65

[plural-copilot]

Update deployment-operator chart to 0.6.65

Plural Service: mgmt/apps

[greptile-apps]

Confidence Score: 5/5

The PR appears safe to merge because the chart and application versions are updated consistently and no actionable defect was identified.

Summary

This PR advances the deployment-operator Helm chart and its default application version from 0.6.64 to 0.6.65.

• Keeps version and appVersion synchronized.
• Causes default operator, init-container, and agentk image tags to resolve to 0.6.65 when no explicit override is supplied.

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