Update release command

Add ghcr.io to list of registries without nested support (plexsystems#61

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* Add ghcr.io to list of registries without nested support

Closes plexsystems#60

* Add GHCR to README and fix gofmt

Ignore token characters when getting images from manifests (plexsyste…

…ms#53)

Merge pull request plexsystems#49 from dewe/pr-get-images-from-cronjob

Add CronJob support

Merge pull request plexsystems#45 from ssmiller25/fix/44/skipincorrec…

…tparams

Fix image generation when Envoy/Istio logging tags included

Merge pull request plexsystems#43 from ssmiller25/bug/manifest-update

Resolve bug in mis-identified image detection

Validate images can be pulled before pull operation (plexsystems#39)

Improve ImageExists check (plexsystems#36)

Update documentation for 0.13.0

Add builds to ignore