complete 'make upgrade' to also commit changes'

Signed-off-by: Sebastien Varrette <sebastien.varrette@uni.lu>
Upgrading Git submodule '.submodules/falkor-cv' to the latest version

Signed-off-by: Sebastien Varrette <sebastien.varrette@uni.lu>
add extra space

Signed-off-by: Sebastien Varrette <sebastien.varrette@uni.lu>