CI: do the rebuilds via kaniko.

1 job for <span class="ref-name">ci-changes</span> in 24 seconds (queued for 1 second)
Status Job ID Name Coverage
failed #241225


Name Stage Failure
build Build
      --single-snapshot              Take a single snapshot at the end of the build.
--skip-tls-verify Push to insecure registry ignoring TLS verify
--skip-tls-verify-pull Pull from insecure registry ignoring TLS verify
--snapshotMode string Change the file attributes inspected during snapshotting (default "full")
--tarPath string Path to save the image in as a tarball instead of pushing
--target string Set the target build stage to build
-v, --verbosity string Log level (debug, info, warn, error, fatal, panic (default "info")

ERROR: Job failed: exit code 1