Spiff bounties process flow update

[calexh-sar]

Update the process flow to this

Updates include:

• Add GitHub Rest API User Resource
• Update workflow as shown in the linked diagram

[calexh-sar]

@harmeet-status is this step in your diagram

to be completed by the same users who approve/reject the bounty request or should this be a new lane?

[harmeet-status]

@harmeet-status is this step in your diagram

to be completed by the same users who approve/reject the bounty request or should this be a new lane?

Same