libgit2: add v1.7.1

[da-liii]

No description provided.

[da-liii]

Fedora 39:

In file included from /github/home/.xmake/cache/packages/2401/l/libgit2/v1.7.1/source/src/util/hash/sha.h:21,
                 from /github/home/.xmake/cache/packages/2401/l/libgit2/v1.7.1/source/src/util/hash.h:13,
                 from /github/home/.xmake/cache/packages/2401/l/libgit2/v1.7.1/source/src/util/futils.h:17,
                 from /github/home/.xmake/cache/packages/2401/l/libgit2/v1.7.1/source/src/cli/cmd_clone.c:17:
/github/home/.xmake/cache/packages/2401/l/libgit2/v1.7.1/source/src/util/hash/openssl.h:14:11: fatal error: openssl/sha.h: No such file or directory
   14 | # include <openssl/sha.h>
      |           ^~~~~~~~~~~~~~~
compilation terminated.