Fix vsock+snapshot intermittent test failure
Fix vsock+snapshot intermittent test failure

Increase maximum process count for guest ssh service.

Signed-off-by: Andrei Sandu <dbc21552912e46b041d86cfb2348c8cc4a9bf089@amazon.com>

firecracker-microvm/firecracker,firecracker-microvm/firecracker,firecracker-microvm/firecracker,firecracker-microvm/firecracker,firecracker-microvm/firecracker