ffi: support Symbol.dispose on DynamicLibrary #6152

Job	Run time
Build slim tarball	2m 28s
collect-openssl-versions	6s
aarch64-linux: Cache V8 build	34s
aarch64-darwin: with shared libraries	30m 55s
x86_64-darwin: with shared libraries	34m 24s
x86_64-linux: with shared libraries	26m 32s
aarch64-linux: with shared openssl_4_0 (4.0.0)	24m 46s
aarch64-linux: with shared openssl_3_6 (3.6.1)	26m 37s
aarch64-linux: with shared openssl_3_5 (3.5.5)	25m 28s
aarch64-linux: with shared openssl_3 (3.0.19)	25m 47s
aarch64-linux: with shared openssl_1_1 (1.1.1w)	24m 37s
	3h 42m 14s

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