Update Go version in test Makefile to 1.19.1
Update Go version in test Makefile to 1.19.1

Signed-off-by: Nabarun Pal <46a782cbd1e9f752958998187886c2b51fda054c@gmail.com>

csrwng/kubernetes,openshift/kubernetes,csrwng/kubernetes,bparees/kubernetes,bparees/kubernetes,openshift/kubernetes,openshift/kubernetes,openshift/kubernetes,csrwng/kubernetes,csrwng/kubernetes,bparees/kubernetes,bparees/kubernetes,csrwng/kubernetes,bparees/kubernetes,openshift/kubernetes