MEDIUM: ssl: porting to X509_STORE_get1_objects() for OpenSSL 4.0
OpenSSL 4.0 is deprecating X509_STORE_get0_objects().
Every occurence of X509_STORE_get0_objects() was first replaced by
X509_STORE_get1_objects().
This changes the ref count of the STACK_OF(X509_OBJECT) everywhere, and
need it to be sk_X509_OBJECT_pop_free(objs, X509_OBJECT_free) each time.
X509_STORE_get1_objects() is not available in AWS-LC, OpenSSL < 3.2,
LibreSSL and WolfSSL, so we need to still be compatible with get0.
To achieve this, 2 macros were added X509_STORE_getX_objects() and
sk_X509_OBJECT_popX_free(), these macros will use either the get0 or the
get1 macro depending on their availability. In the case of get0,
sk_X509_OBJECT_popX_free() will just do nothing instead of trying to
free.
Don't backport that unless really needed if we want to be compatible
with OpenSSL 4.0. It changes all the refcounts.