bump: testing with prom operator 0.81.0 and bumping k8s-sidecar to 1.30.0

Signed-off-by: Valentin Daviot <valentin.daviot@scality.com>

Author: vdaviot

buildchain/buildchain/constants.py

@@ -32,7 +32,6 @@
 PROMETHEUS_REPOSITORY: str = "quay.io/prometheus"
 THANOS_REPOSITORY: str = "quay.io/thanos"
 CERT_MANAGER_REPOSITORY: str = "quay.io/jetstack"
-NODE_EXPORTER_REPOSITORY: str = "prom/node-exporter"
 
 # Paths {{{