gitconfig: protocol.version = 1

https://opensource.googleblog.com/2018/05/introducing-git-protocol-version-2.html

gitconfig

@@ -64,3 +64,5 @@
 	ff = merge --ff-only
 	put = !git-push && git-push --tags
 	pushf = push --force-with-lease
+[protocol]
+	version = 1