feat(room): add `Room::remove_outdated_seen_knock_requests_ids` method #13281

Job	Run time
Generate Crypto FFI Apple XCFramework	4m 19s
Run Complement Crypto tests / tests	7m 54s
xtask / xtask-🐧	8s
xtask / xtask-🍏	10s
matrix-rust-components-swift	16m 39s
matrix-rust-components-kotlin	5m 7s
Test UniFFI bindings generation	1m 55s
	36m 12s

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