Add dgrisonnet to sig-instrumentation leads
Add dgrisonnet to sig-instrumentation leads

Signed-off-by: Damien Grisonnet <d5e22b4ee42693aa99befd939a208dba112dfaa9@redhat.com>

kubernetes/k8s.io,kubernetes/k8s.io,kubernetes/k8s.io,kubernetes/k8s.io