This change adds OpenSSL 3.5.5 from upstream [1].

The 3.5.5 artifact was been verified via PGP key [2] and by SHA256 checksum [3].

This is a security release, but also contains several bugfixes. All of
the CVE-worthy issues have already been addressed on the target
branch(es), so the net-result is that this is a bugfix release.

More information about the release (from a high level) can be found in
the release notes [4].

MFC after:	1 week

1. https://github.com/openssl/openssl/releases/download/openssl-3.5.5/openssl-3.5.5.tar.gz
2. https://github.com/openssl/openssl/releases/download/openssl-3.5.5/openssl-3.5.5.tar.gz.asc
3. https://github.com/openssl/openssl/releases/download/openssl-3.5.5/openssl-3.5.5.tar.gz.sha256
4. https://github.com/openssl/openssl/blob/openssl-3.5.5/NEWS.md

Merge commit '808413da28df9fb93e1f304e6016b15e660f54c8'

Approved by:	philip (mentor)
Sponsored by:	Alpha-Omega Beach Cleaning Project
Sponsored by:	The FreeBSD Foundation

 * Fixed PKCS12 Decoding crashes ([CVE-2024-0727])
 * Fixed Excessive time spent checking invalid RSA public keys
   ([CVE-2023-6237])
 * Fixed POLY1305 MAC implementation corrupting vector registers on
   PowerPC CPUs which support PowerISA 2.07 ([CVE-2023-6129])
 * Fix excessive time spent in DH check / generation with large Q
   parameter value ([CVE-2023-5678])

Release notes can be found at
            https://www.openssl.org/news/openssl-3.0-notes.html.

Approved by:	emaste
MFC after:	3 days

Merge commit '9dd13e84fa8eca8f3462bd55485aa3da8c37f54a'