update rootlesskit to v2.0.2

updating to the same version as moby, but there's also a v2.1.0 that
we can update to in a follow-up.

full diff: rootless-containers/rootlesskit@v2.0.0...v2.0.2

Signed-off-by: Sebastiaan van Stijn <[email protected]>

Author: thaJeztah

Dockerfile

@@ -5,7 +5,7 @@ ARG CONTAINERD_VERSION=v1.7.18
 # containerd v1.6 for integration tests
 ARG CONTAINERD_ALT_VERSION_16=v1.6.33
 ARG REGISTRY_VERSION=v2.8.3
-ARG ROOTLESSKIT_VERSION=v2.0.0
+ARG ROOTLESSKIT_VERSION=v2.0.2
 ARG CNI_VERSION=v1.5.0
 ARG STARGZ_SNAPSHOTTER_VERSION=v0.15.1
 ARG NERDCTL_VERSION=v1.6.2