Bump dockerfile-maven-plugin from 1.4.3 to 1.4.12

[dependabot-preview]

Bumps dockerfile-maven-plugin from 1.4.3 to 1.4.12.

Changelog

Sourced from dockerfile-maven-plugin's changelog.

Changelog

1.4.10 (released January 15 2019)

• Add support for --squash experimental build option (248)
• Add support for specifying a custom Dockerfile location (89)

1.4.9 (released October 25 2018)

• Upgrade docker-client dep from 8.14.2 to 8.14.3 to fix Fix bug when duplicate registries are in docker config spotify/docker-client#1100

1.4.8 (released October 23 2018)

• Upgrade docker-client dep from 8.14.0 to 8.14.2
• Upgrade com.sparkjava:spark-core to fix CVE-2018-9159
• Improve documentation on referencing build artifacts

1.4.7 (released October 8 2018)

• Fix an ExceptionInInitializerError when plugin is used on Java 11 (230)
• change source/target version for compiler from 1.7 to 1.8. This means that
  the plugin will only run on Java 8 and above. (231)

1.4.6 (released October 5 2018)

• Support for Java 9 and 10

1.3.6 (released September 13 2017)

• Add support for using maven settings.xml file to provide docker authorization (65)

1.3.3 (released July 11 2017)

• Add support for supplying build-args (ARG in Dockerfile) in pom.xml with
  <buildArgs> 41

• Allow disabling of Google Container Registry credential checks with
  -Ddockerfile.googleContainerRegistryEnabled or
  <googleContainerRegistryEnabled>false</googleContainerRegistryEnabled>(43)

1.3.2 (released July 10 2017)

... (truncated)

Commits

• 64cc830 [maven-release-plugin] prepare release v1.4.12
• 86f5519 Merge pull request #307 from spotify/dxia/upgrade-docker-client
• 2306c3a Upgrade docker-client dep from 8.14.5 to 8.16.0
• d4751c3 [maven-release-plugin] prepare for next development iteration
• 4a04dae [maven-release-plugin] prepare release v1.4.11
• 927f2a0 Update README with mature status
• 33bd6f9 Merge pull request #280 from lasselindqvist/issue-278
• 19ca6da Update docker-client version to 8.14.5
• 3578bca Merge pull request #275 from seamonstr/master
• 79738df Further Codacy cleanup.
• Additional commits viewable in compare view

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[dependabot-preview]

Superseded by #46.