add new .fleet-agents fields to united index

[joeypoon]

Change Summary

Updating united index mapping to include new fields in .fleet-agents: elastic/elasticsearch#89599. Left both as enabled: false since I don't believe we'll need to be searching on them.

Release Target

8.5

For mapping changes:

• If this is a metadata change, I also updated both transform destination schemas to match

[elasticmachine]

💚 Build Succeeded

the below badges are clickable and redirect to their specific view in the CI or DOCS

Expand to view the summary

Build stats

• Start Time: 2022-08-31T22:54:14.366+0000

• Duration: 8 min 49 sec

🤖 GitHub comments

To re-run your PR in the CI, just comment with:

• /test : Re-trigger the build.

[pzl]

lgtm.

note to self, add these fields in the changeover #270