Add `vagga_exe` variable for builders
Add `vagga_exe` variable for builders

tailhook/vagga,rrader/vagga,popravich/vagga,rrader/vagga,joehillen/vagga,KaminoDice/vagga,rrader/vagga,joehillen/vagga,popravich/vagga,popravich/vagga,tailhook/vagga,joehillen/vagga,joehillen/vagga,popravich/vagga,tailhook/vagga,tailhook/vagga,KaminoDice/vagga,KaminoDice/vagga