Update elgohr/Publish-Docker-Github-Action action to v3

[renovate]

This PR contains the following updates:

Package	Type	Update	Change
elgohr/Publish-Docker-Github-Action	action	major	2.3 -> 3.04

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Release Notes

elgohr/Publish-Docker-Github-Action

v3.04

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Upgrade to Docker 20.10.6

v3.03

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• Support building multi-platform images (beta)
  Try with https://github.com/elgohr/Publish-Docker-Github-Action#platforms

v3.02

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no_push can be used without login (thanks to @​casperdcl !)

v3.01

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• Doesn't update major, minor and patch version on pre-release

v2.22

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• Support new default branch (main) https://github.com/github/renaming#on-october-1-2020-newly-created-repositories-will-default-to-main

v2.21

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• Add default_branch
• Welcome GitHub Container Registry

v2.20

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• Add option for building, but not pushing an image (fixes https://github.com/elgohr/Publish-Docker-Github-Action/issues/100 , https://github.com/elgohr/Publish-Docker-Github-Action/issues/58)
• Update dependencies

v2.19

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• Update dependencies
• Fixes https://github.com/elgohr/Publish-Docker-Github-Action/issues/98 (thanks to @​mrjogo)

v2.18

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• Update dependencies
• Fixes https://github.com/elgohr/Publish-Docker-Github-Action/issues/94 (Thank you @​shouichi for finding the bug and fixing it!)

v2.17

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• Update dependencies
• Fix: https://github.com/elgohr/Publish-Docker-Github-Action/issues/90 (thanks to @​artis3n )

v2.16

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• Update docker Docker tag to v19.03.8
• Be verbose on ACTIONS_STEP_DEBUG

v2.15

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• Fix https://github.com/elgohr/Publish-Docker-Github-Action/issues/84
• Update Dependencies

v2.14

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• Support semver pre-release versions (https://github.com/elgohr/Publish-Docker-Github-Action/issues/71 - Thank you @​artis3n )
• Update Docker version

v2.13

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• Support semver tags (big thanks to @​roy-bongers )
• Update dependencies

v2.12

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• Introduce tags
• Deprecate tag_names
• Update dependencies

v2.11

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• Add buildoptions
• Update dependencies

v2.10

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• Populate digest
• Refactor tests to be smaller

v2.9

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• Add a way to change the build context
• Update dependencies

v2.8

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• Simplify caching setup
• Update dependencies

Big thank you to @​gozzarda

v2.7

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• Introduce tag names (https://github.com/elgohr/Publish-Docker-Github-Action#tag_names)

v2.6

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• Remove protocol from custom registry if used for prefixing the name

v2.5

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• Prefix the name with the custom registry if used and not already present in the name

v2.4

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• Use action.yml instead of Docker labels, because it's the new way ¯_(ツ)_/¯

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