Background migration for setting Jira tracker data deployment type

Now that !37003 (merged) and !36992 (merged) are merged, we should go through each Jira service and update the deployment type if possible. The jira_tracker_data.deployment_type defaults to unknown, which we'll fallback to using the V2 API.

We will need to make a query to each jira server to determine what type of server is running. Since that endpoint is public, we won't need to authenticate with the server.

There are currently only 73,000 active Jira Service integrations.