test: use heapdump test for SecureContext memory tracking #5286

Job	Run time
Build slim tarball	2m 4s
aarch64-darwin: with shared libraries	19m 57s
aarch64-linux: with shared libraries	18m 18s
x86_64-darwin: with shared libraries	27m 11s
x86_64-linux: with shared libraries	21m 50s
	1h 29m 20s

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