Potential out-of-bounds check in encap_certificate.rs may result in failure.

[xiaoyuxlu]

spdm-rs/spdmlib/src/requester/encap_certificate.rs

Lines 103 to 104 in a2aa7a6

	let offset = get_certificate.offset;
	if offset > my_cert_chain.data_size {

Using '>' instead of '>=' might allow for an offset that is exactly equal to data_size, which could lead to an out-of-bounds read.