Change refs/* to refs/heads/* to speed up repo cloning w/ many branches (#2330)

Co-authored-by: Ian Butterworth <[email protected]>
Co-authored-by: KristofferC <[email protected]>
(cherry picked from commit 7381ccf)

Author: 3 people

src/Types.jl

@@ -699,7 +699,7 @@ function read_package(path::String)
     return project
 end
 
-const refspecs = ["+refs/*:refs/remotes/cache/*"]
+const refspecs = ["+refs/heads/*:refs/remotes/cache/heads/*"]
 
 function relative_project_path(project_file::String, path::String)
     # compute path relative the project