chore(ckan/dependencies): update ckan/ckan-base-datapusher docker tag to v0.0.21

[renovate[bot]]

This PR contains the following updates:

Package	Update	Change
ckan/ckan-base-datapusher	patch	0.0.20 -> 0.0.21

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[teutonet-bot]

:robot: I have diffed this beep boop

"/$namespace/$kind/$name.yaml" for normal resources "/$namespace/HelmRelease/$name/$namespace/$kind/$name.yaml" for HelmReleases <- this is recursive 'null' means it's either cluster-scoped or it's in the default namespace for the HelmRelease

charts/ckan/values.yaml

charts/ckan/ci/smtp-values.yaml

charts/ckan/ci/persistence-values.yaml

charts/ckan/ci/artifacthub-values.yaml

charts/ckan/ci/ckan-custom-values.yaml