overmind cli: aws source fails on windows with no error message.

[tphoney]

aws source fails on windows with no error message.

PS Microsoft.PowerShell.Core\FileSystem::\\wsl.localhost\Ubuntu-24.04\home\frame\workspace\workspace\cli\examples> ..\cli.exe  explore
 ✔︎  Connected to Overmind
 ⠼  Starting stdlib source engine (0s)
 ✔︎  Stdlib source engine started
 ✗  Failed to initialize AWS source engine
PS Microsoft.PowerShell.Core\FileSystem::\\wsl.localhost\Ubuntu-24.04\home\frame\workspace\workspace\cli\examples>