Git 2.45

1. d05b08c doc: switch links to https by Josh Soref · 2 years, 1 month ago
2. 331b094 protocol.h: move definition of DEFAULT_GIT_PORT from cache.h by Elijah Newren · 2 years, 8 months ago
3. 5545442 *.[ch]: remove extern from function declarations using spatch by Denton Liu · 7 years ago
4. 8f6982b protocol: introduce enum protocol_version value protocol_v2 by Brandon Williams · 8 years ago
5. 373d70e protocol: introduce protocol extension mechanisms by Brandon Williams · 8 years ago