Add image pull policy

[hhunter-ms]

What content needs to be created or modified?
The image pull policy may need to be added to:

• The Dapr CLI dapr run reference docs
• The annotations doc

Describe the solution you'd like

• Add CLI reference to the dapr run doc
• Add to the Kubernetes annotations doc

The associated pull request from dapr/dapr, dapr/components-contrib, or other Dapr code repos
dapr/cli#1462

@filintod

[filintod]

/assign