Add an endpoint to restart Grist with a new config #2263

Job	Run time
build_and_test (3.9, 18.x, :lint:python:client:common:smoke:stubs:)	1m 59s
build_and_test (3.9, 18.x, :server-1-of-2:)	6m 59s
build_and_test (3.9, 18.x, :server-2-of-2:)	8m 45s
build_and_test (3.9, 18.x, :nbrowser-^[A-G]:)	11m 42s
build_and_test (3.9, 18.x, :nbrowser-^[H-L]:)	5m 29s
build_and_test (3.9, 18.x, :nbrowser-^[M-O]:)	11m 33s
build_and_test (3.9, 18.x, :nbrowser-^[P-S]:)	6m 16s
build_and_test (3.9, 18.x, :nbrowser-^[^A-S]:)	4m 58s
build_and_test (:lint:python:client:common:smoke:, 18.x, 3.10)	1m 39s
build_and_test (:lint:python:client:common:smoke:, 18.x, 3.11)	1m 45s
candidate	0s
	1h 1m 5s

Provide feedback