connection.go: add V(5) to connecting message
connection.go: add V(5) to connecting message

Currently, the livenessprobe outputs this connection message for every
check.

Signed-off-by: Steven Davidovitz <a3923bbb4283bd907bfde6bd4f2a0d4934233334@dominodatalab.com>

kubernetes-csi/csi-lib-utils,kubernetes-csi/csi-lib-utils,kubernetes-csi/csi-lib-utils