Update crazy-max/ghaction-docker-meta action to v1.12.0

[renovate]

This PR contains the following updates:

Package	Type	Update	Change
crazy-max/ghaction-docker-meta	action	minor	v1.8.4 -> v1.12.0

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Release Notes

crazy-max/ghaction-docker-meta (crazy-max/ghaction-docker-meta)

v1.12.0

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• Ignore commas for label-custom input (#​48)
• Bump handlebars from 4.7.6 to 4.7.7 (#​44)
• Bump csv-parse from 4.14.2 to 4.15.3 (#​42 #​45)

v1.11.0

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• Inject DOCKER_META_IMAGES and DOCKER_META_VERSION args in bake definition (#​37)

v1.10.1

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• Missing entry in action.yml

v1.10.0

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• Add bake-file output (#​36)
• Add label-custom input (#​35)
• Bump node-notifier from 8.0.0 to 8.0.1 (#​33)
• Update dev workflow (#​32)

v1.9.1

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• Replace forbidden chars derived from branch name (#​31)
• Bump semver from 7.3.2 to 7.3.4 (#​26)

v1.9.0

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• Allow to add custom tags (#​24)
• Allow to disable latest tag (#​23)
• Warn on invalid semver (#​22)
• Avoid unnecessary calls to version (#​21)

v1.8.5

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• Use sepLabels when joining labels for output (#​17)

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