Use cargo-deny to ensure licence compatibility of all dependencies

"cargo-deny" should also enable us to detect redundant dependencies (in warning level because some cases of redundancy cannot be resolved).

changed milestone to %v0.4 Full Mirror Node

added D-easy T-ci-cd labels

added D-medium label

removed D-easy label

assigned to @librelois

mentioned in commit bbd355f8

mentioned in merge request !258 (merged)

mentioned in commit 3dfede1b

closed via merge request !258 (merged)

closed via commit 3dfede1b