[SunBlack (SunBlack)]

• 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.

[Copilot]

🔵 Needs a closer look

Unavailable upstream 1.16.0 sources and CI evidence leave the pkg-config patch changes and static highs[extras] consumer linkage unverified.

No open issues 🎉

What changed in this PR

Updates the vcpkg HiGHS port to 1.16.0 and adapts its pkg-config patches to the new release.

Changes:

• Updates the port version and source archive checksum.
• Removes the previous pkg-config patch and refreshes the conditional BLAS metadata patch.
• Records version 1.16.0 in the baseline and version database.

Validation was limited to the supplied review context; no builds or consumer tests were run.

File	Description
versions/​h-/​highs.json	Adds the 1.16.0 version entry and port tree hash.
versions/​baseline.json	Sets the HiGHS baseline to 1.16.0, revision 0.
ports/​highs/​vcpkg.json	Updates the version and resets the port revision.
ports/​highs/​portfile.cmake	Updates the checksum and removes the old patch reference.
ports/​highs/​fix-pkgconfig.patch	Deletes the previous pkg-config template patch.
ports/​highs/​fix-extras-metadata.patch	Adapts conditional BLAS dependency metadata to the updated CMake layout.

_{Review effort: Balanced}