ffi: support Symbol.dispose on DynamicLibrary #6135

Job	Run time
collect-openssl-versions	9s
Build slim tarball	2m 55s
aarch64-linux: Cache V8 build	7s
x86_64-darwin: with shared libraries	35m 23s
aarch64-darwin: with shared libraries	25m 53s
x86_64-linux: with shared libraries	26m 20s
aarch64-linux: with shared openssl_1_1 (1.1.1w)	23m 11s
aarch64-linux: with shared openssl_3 (3.0.19)	23m 10s
aarch64-linux: with shared openssl_3_6 (3.6.1)	23m 10s
aarch64-linux: with shared openssl_4_0 (4.0.0)	24m 9s
aarch64-linux: with shared openssl_3_5 (3.5.5)	23m 7s
	3h 27m 34s

Provide feedback