[ruby/prism] Introduce xfree_sized and xrealloc_sized #654

Job	Run time
cargo test	1m 10s
make (test-bundled-gems, --enable-yjit=dev)	23m 50s
cargo clippy	50s
make (check, --enable-yjit=dev)	13m 20s
make (check, RUSTC='rustc +1.58.0', 1.58.0)	9m 32s
make (yjit-bindgen, To fix: use patch in logs, --with-gcc=clang-14 --enable-yjit=dev --enable-zji...	5m 22s
make (check, --enable-yjit=dev, --yjit-call-threshold=1 --yjit-verify-ctx --yjit-code-gc, -T --yj...	20m 6s
YJIT Ubuntu result	3s
	1h 14m 13s

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