Merge branch 'renovate/pin-dependencies' into 'main'

chore(deps): pin registry.ethz.ch/hpc-registry/netutils docker tag to c4b0647

See merge request !13

charts/iperf/values.yaml

 ---
 image:
   name: registry.ethz.ch/hpc-registry/netutils
-  # renovate: datasource=docker depName=registry.ethz.ch/hpc-registry/netutils
-  tag: v0.1.1
+  # renovate: datasource=docker depName=registry.ethz.ch/hpc-registry/netutils versioning=docker
+  tag: v0.1.1@sha256:c4b0647773a05575096bacf778240ac2650cce70c2eeb5dd87a41da010d34e36
 deployment:
   type: DaemonSet  # or Deployment
   replicas: 1