fix: support git remotes other than 'origin'

[mrcjkb]

No description provided.

[teto]

This triggers:

Lua callback:                                                                                                                                                                                   
...-luajit2.1-nvim-nio-1.10.1-1/share/lua/5.1/nio/tasks.lua:100: Async task failed without callback: The coroutine failed with this message:                                                    
...uajit2.1-nvim-nio-1.10.1-1/share/lua/5.1/nio/control.lua:293: .../.local/share/nvim/rocks/rocks_rtp/lua/rocks-git/git.lua:238: E5560: Vimscript function "globpath" must not be called in a f
ast event context                                                                                                                                                                               
stack traceback:        

after :Rocks update. I will try to submit a fix.

[mrcjkb]

This triggers:

Lua callback:                                                                                                                                                                                   
...-luajit2.1-nvim-nio-1.10.1-1/share/lua/5.1/nio/tasks.lua:100: Async task failed without callback: The coroutine failed with this message:                                                    
...uajit2.1-nvim-nio-1.10.1-1/share/lua/5.1/nio/control.lua:293: .../.local/share/nvim/rocks/rocks_rtp/lua/rocks-git/git.lua:238: E5560: Vimscript function "globpath" must not be called in a f
ast event context                                                                                                                                                                               
stack traceback:        

after :Rocks update. I will try to submit a fix.

d828041