Add report room API (MSC4151) #1655

Job	Run time
lint-crlf	3s
lint-newsfile	32s
check-lockfile	8s
changes	3s
check-sampleconfig	43s
check-schema-delta	44s
lint	49s
lint-clippy	0s
lint-pydantic	42s
Typechecking	1m 26s
lint-rustfmt	0s
lint-clippy-nightly	0s
linting-done	3s
calculate-test-jobs	5s
trial-olddeps	7m 19s
complement (monolith, SQLite)	13m 23s
portdb (3.8, 11)	4m 12s
complement (monolith, Postgres)	13m 42s
portdb (3.11, 15)	3m 3s
cargo-bench	0s
complement (workers, Postgres)	20m 55s
cargo-test	0s
trial-pypy	0s
sytest (focal)	8m 10s
trial (3.8, sqlite, all)	4m 55s
sytest (focal, postgres)	10m 29s
trial (3.8, postgres, 11, all)	11m 12s
sytest (focal, multi-postgres, workers)	17m 51s
trial (3.8, sqlite)	4m 13s
sytest (focal, multi-postgres, workers, asyncio)	19m 1s
export-data	2m 26s
tests-done	2s
	2h 26m 11s

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