remove `sync_compatible` from `build_server` #18360

Job	Run time
docker, python:3.9	5m 18s
docker, python:3.10	5m 47s
docker, python:3.11	5m 39s
docker, python:3.12	5m 24s
Server Tests - python:3.9, postgres:14	9m 11s
Server Tests - python:3.10, postgres:14	9m 17s
Server Tests - python:3.11, postgres:14	8m 33s
Server Tests - python:3.12, postgres:14	8m 29s
Server Tests - python:3.9, sqlite	10m 55s
Server Tests - python:3.10, sqlite	11m 15s
Server Tests - python:3.11, sqlite	10m 32s
Server Tests - python:3.12, sqlite	9m 33s
Client Tests - python:3.9, postgres:14	10m 53s
Client Tests - python:3.10, postgres:14	10m 43s
Client Tests - python:3.11, postgres:14	10m 32s
Client Tests - python:3.12, postgres:14	9m 30s
Runner and Worker Tests - python:3.9, postgres:14	2m 18s
Runner and Worker Tests - python:3.10, postgres:14	2m 31s
Runner and Worker Tests - python:3.11, postgres:14	2m 30s
Runner and Worker Tests - python:3.12, postgres:14	2m 2s
combine-coverage	39s
	2h 31m 31s

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