chore: Remove jib.console=plain with TinyJib

This should be be necessary as the author of TinyJib "didn't wire through
any logging to jib, so it should be pretty silent" [1].

[1]: #4513 (comment)

Signed-off-by: Sebastian Schuberth <sebastian@doubleopen.org>

Author: sschuberth

.github/workflows/docker-build.yml

@@ -209,7 +209,6 @@ jobs:
           -Djib.baseImageCache=/mnt/jib-base-cache \
           -Djib.allowInsecureRegistries=true \
           -Djava.io.tmpdir=/mnt/tmp \
-          -Djib.console=plain \
           -Djib.container.labels="$(echo "${{ steps.meta.outputs.labels }}" | tr '\n' ',' | sed 's/,$//')" \
           -Djib.to.tags="$(echo "${{ steps.meta.outputs.tags }}" | tr '\n' ',' | sed 's/,$//')"
         if [ "${{ env.IS_PR }}" = "false" ]; then