Add a workaround for shared library bumps for OpenSSL 3.

[bsdjhb]

No description provided.

[bsdjhb]

I haven't really tested this yet, but this is based on the breakages I got in CI for CTSRD-CHERI/cheribsd#1823

[bsdjhb]

This did let me build disk-image-minimal-aarch64 ok though:

Could not find optional library '{lib,usr/lib}/libedit.so.7' in rootfs /home/john/work/cheri/output/rootfs-aarch64
/tmp/cheribuild-disk-image-minimal-aarch64-epvbfv64/lib/libedit.so.8 -> /lib/libedit.so.8
Could not find optional library '{lib,usr/lib}/libcrypto.so.111' in rootfs /home/john/work/cheri/output/rootfs-aarch64
/tmp/cheribuild-disk-image-minimal-aarch64-epvbfv64/lib/libcrypto.so.30 -> /lib/libcrypto.so.30
Could not find optional library '{lib,usr/lib}/libssl.so.111' in rootfs /home/john/work/cheri/output/rootfs-aarch64
/tmp/cheribuild-disk-image-minimal-aarch64-epvbfv64/usr/lib/libssl.so.30 -> /usr/lib/libssl.so.30