Send worker metadata with first heartbeat #17776

Job	Run time
docker, python:3.9	5m 13s
Server Tests - python:3.9, postgres:14	9m 11s
docker, python:3.10	4m 57s
Server Tests - python:3.10, postgres:14	9m 33s
docker, python:3.11	5m 20s
Server Tests - python:3.11, postgres:14	8m 19s
docker, python:3.12	4m 57s
Server Tests - python:3.12, postgres:14	8m 15s
Server Tests - python:3.9, sqlite	10m 51s
Server Tests - python:3.10, sqlite	11m 6s
Server Tests - python:3.11, sqlite	10m 12s
Server Tests - python:3.12, sqlite	9m 13s
Client Tests - python:3.9, postgres:14	10m 44s
Client Tests - python:3.10, postgres:14	10m 35s
Client Tests - python:3.11, postgres:14	10m 7s
Client Tests - python:3.12, postgres:14	9m 3s
Runner and Worker Tests - python:3.9, postgres:14	2m 17s
Runner and Worker Tests - python:3.10, postgres:14	2m 38s
Runner and Worker Tests - python:3.11, postgres:14	2m 21s
Runner and Worker Tests - python:3.12, postgres:14	2m 11s
combine-coverage	41s
	2h 27m 44s

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