Add `via` param to hierarchy enpoint #4410

Job	Run time
lint-newsfile	37s
changes	3s
lint-crlf	4s
check-lockfile	5s
check-sampleconfig	47s
Typechecking	1m 14s
check-schema-delta	42s
lint	19s
lint-clippy	0s
lint-clippy-nightly	0s
lint-pydantic	40s
lint-readme	0s
lint-rustfmt	0s
linting-done	4s
calculate-test-jobs	8s
trial-olddeps	8m 42s
complement (monolith, SQLite)	13m 37s
complement (monolith, Postgres)	15m 15s
trial-pypy	0s
complement (workers, Postgres)	21m 57s
portdb (3.9, 13)	3m 25s
cargo-bench	0s
portdb (3.13, 17)	3m 27s
cargo-test	0s
sytest (bullseye)	8m 15s
trial (3.9, sqlite, all)	9m 49s
sytest (bullseye, postgres)	10m 22s
trial (3.9, postgres, 13, all)	15m 1s
sytest (bullseye, multi-postgres, workers)	13m 32s
trial (3.9, sqlite)	7m 59s
sytest (bullseye, multi-postgres, workers, asyncio)	18m 29s
export-data	3m 14s
tests-done	1s
	2h 37m 48s

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