Fix memory leak of Ractor basket when sending to closed Ractor #576

Job	Run time
make (test-bundled-gems, --enable-yjit=dev)	23m 32s
cargo clippy	32s
cargo test	52s
make (yjit-bindgen, To fix: use patch in logs, --with-gcc=clang-14 --enable-yjit=dev, /usr/lib/ll...	4m 21s
make (check, --enable-yjit=dev, --yjit-call-threshold=1 --yjit-verify-ctx --yjit-code-gc, -T --yj...	17m 57s
make (check, --enable-yjit=dev)	11m 35s
make (check, RUSTC='rustc +1.58.0', 1.58.0)	8m 23s
make (yjit-bench, --enable-yjit=dev, --yjit-stats, true)	5m 45s
YJIT Ubuntu result	3s
	1h 13m 0s

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