test: start k3k provisioning

Signed-off-by: Xe Iaso <me@xeiaso.net>

test/k3k/test-cluster.yaml

@@ -0,0 +1,5 @@
+apiVersion: k3k.io/v1beta1
+kind: Cluster
+metadata:
+  generateName: anubis-test-
+  namespace: ci

test/ssh-ci/Dockerfile

@@ -11,5 +11,5 @@ RUN CGO_ENABLED=0 go install golang.org/dl/go1.23.6@latest \
 FROM alpine:${ALPINE_VERSION}
 COPY --from=go /app/bin/go /usr/local/bin/go
 
-RUN apk add -U nodejs git build-base git npm bash zstd brotli gzip \
+RUN apk add -U nodejs git build-base git npm bash zstd brotli gzip jq kubectl \
   && go download