feat(room): add `Room::remove_outdated_seen_knock_requests_ids` method #13305

Job	Run time
Generate Crypto FFI Apple XCFramework	4m 18s
Run Complement Crypto tests / tests	8m 15s
xtask / xtask-🐧	5s
xtask / xtask-🍏	10s
matrix-rust-components-kotlin	4m 57s
matrix-rust-components-swift	12m 40s
Test UniFFI bindings generation	1m 58s
	32m 23s

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