Automatically have Dapr-bot draft release for newly created release tags

## Describe the proposal
Similar to dapr/dapr, dapr/cli repos and other repos in Dapr org, have Dapr-bot automatically draft a new release off of the new release tag vMajor.Minor.Patch. 

Modify the existing workflow file to accomplish this. 

RELEASE NOTE: Automatically draft new release from published tags of release version of SDK