[Sunrisepeak]

Adds two packages in one change, in the linux, macosx and windows blocks, with GLOBAL (GitHub tag archive) and CN (gitcode.com/mcpp-res) URLs. Each GitCode archive was verified by GET as byte-identical, and each GitHub archive gave the same hash on a second download.

package	version	sha256	source
openkal-musl	0.29.0	2fa79b29ba670cf229c48c6c3149f3eac8d101b9c29152d9faeaa6a4e502dd9b	mcpplibs/openkal-musl#88, tag 0.29.0 at 5a61f67
openkal-llvm-runtime	0.20.0	1f1ba2b50b6fba48a6e042b03090ef251d27d429c15c1d3f2c0c16f06eef03f4	mcpplibs/openkal-llvm-runtime#70, tag 0.20.0 at 33dec60

• openkal-musl 0.29.0:
  • execvp, execvpe, execlp and posix_spawnp search by the conventions of the system kal_env_system names. On Windows the PATH is split on ;, a name that carries a suffix is tried as given, and one without a suffix is tried with each PATHEXT suffix.
  • link and linkat work over kal_fs_hard_link.
  • It states requires = ["mcpp:kernel-abi=openkal"].
  • Its dependencies move to the OpenKal 0.25 family.
• openkal-llvm-runtime 0.20.0 is built over openkal-musl ^0.29.0, and its tests are on the mtest library.
• Consumers: tests/examples/openkal-musl moves to 0.29.0, and tests/examples/openkal names llvm-runtime 0.20.0 under its musl condition.
• CHANGELOG: one Added entry.