Add ARM64v8 support to Dockerfile

[obeone]

[Mirror PR of green-code-initiative/creedengo-rules-specifications#95]

With this PR, jar are built on amd64, and put in arm64v8 and amd64 SonarQube containers. There are two main advantages :

• Maven is not available on arm64v8, so it’s functional workaround
• jar are built once, so power consumption is as low as possible

To be able to build locally on Apple M*, you need to use buildkit (buildx), like :

docker buildx create --use # If you don’t already have a builder
docker buildx build --load .

Github workflow is updated to build both platform

[sonarqubecloud]

Kudos, SonarCloud Quality Gate passed!   

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