Use of `/v2/activity/list` is deprecated for returning AA bot results

[twschiller]

Context

• We use /v2/activity/list to check bot status and retrieve results
• In 0.26 it's deprecated, but the test server we're using is rejecting calls

Implementation Sketch

• Switch to /v3/activity/list to get the status
• Use /v1/activity/execution/<DepID> to get the result

Blockers

• The deployment lookup on /v1/activity/execution/<DepID> is failing

[twschiller]

Automation Anywhere verified the /v2/activity/list endpoint is deprecated but not removed. We will revisit this ticket in November or so