[openssl] Update to 4.0.0

[ChaseKnowlden]

Heavily made with Claude Sonnet 4.6

Fixes #51165

Depends on #51807

If this PR updates an existing port, please uncomment and fill out this checklist:

• Changes comply with the maintainer guide.
• SHA512s are updated for each updated download.
• The "supports" clause reflects platforms that may be fixed by this new version, or no changes were necessary.
• Any fixed CI baseline and CI feature baseline entries are removed from that file, or no entries needed to be changed.
• All patch files in the port are applied and succeed.
• The version database is fixed by rerunning ./vcpkg x-add-version --all and committing the result.
• Exactly one version is added in each modified versions file.

[Neustradamus]

@ChaseKnowlden: Branch details:

• https://openssl-library.org/source/

Series: End-of-Life

• 4.0: 2027-05-14
• 3.6: 2026-11-01
• 3.5 [LTS]: 2030-04-08
• 3.4: 2026-10-22
• 3.0 [LTS]: 2026-09-07

Linked to:

• [OpenSSL] update to 4.0.0 #51165