update(docker/tester): grpcurl
update(docker/tester): grpcurl

Co-authored-by: Lorenzo Fontana <638e8f0171575864326f06d2a5f8e72287427b15@linux.com>
Signed-off-by: Leonardo Di Donato <2012e0ca99d70aa6c893822ff73002216e5dba72@gmail.com>

draios/falco,draios/falco,draios/falco,draios/falco,draios/falco,draios/falco,draios/falco,draios/falco