crypto: surface OpenSSL errors in Certificate.exportPublicKey #6639

Job	Run time
Build slim tarball	1m 4s
x86_64-linux: with shared libraries	24m 7s
x86_64-darwin: with shared libraries	40m 1s
aarch64-linux: Cache V8 build	22s
aarch64-darwin: with shared libraries	22m 52s
aarch64-linux: with shared boringssl-0.20260413.0	23m 30s
aarch64-linux: with shared openssl-4.0.0	23m 18s
aarch64-linux: with shared openssl-1.1.1w	23m 10s
aarch64-linux: with shared openssl-3.0.19	23m 52s
aarch64-linux: with shared openssl-3.5.5	23m 50s
aarch64-linux: with shared openssl-3.6.1	23m 18s
	3h 49m 24s

Provide feedback