[libgit2] Fix feature ssh build error

[LilyWangLL]

Fixes #32433, fix feature ssh build error.

--   Found libssh2, version 1.11.0
CMake Error at cmake/FindPkgLibraries.cmake:17 (message):
  could not resolve ssh2
Call Stack (most recent call first):
  cmake/SelectSSH.cmake:3 (find_pkglibraries)
  src/CMakeLists.txt:44 (include)

Usage passed on x64-windows.

• 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
• Any fixed CI baseline entries are removed from that file.
• Any patches that are no longer applied are deleted from the port's directory.
• The version database is fixed by rerunning ./vcpkg x-add-version --all and committing the result.
• Only one version is added to each modified port's versions file.

[dg0yt]

Before this PR:
libssh installs wrong pc files.

With this PR:
libssh and libgit2 install wrong pc files?

[dg0yt]

Full story: #32440

[LilyWangLL]

Closed as duplicate of #32440.