Added buildx support in cico scripts

[aditijadhav38]

Signed-off-by: Aditi Jadhav aditi.jadhav@ibm.com

What does this PR do?

Add docker buildx support in cico scripts

[codecov]

Codecov Report

Merging #108 into master will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff           @@
##           master     #108   +/-   ##
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  Coverage   74.26%   74.26%           
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  Files          13       13           
  Lines         645      645           
=======================================
  Hits          479      479           
  Misses        158      158           
  Partials        8        8           

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[nickboldt]

As the cico scripts are no longer being maintained (centos CI is EOL) this PR will never be merged.

Instead, please submit a new PR with code that calls a PLATFORMS file and runs buildx like this:

https://github.com/eclipse/che-plugin-registry/blob/master/.ci/sidecar-build-publish.sh#L31-L35
or like this:

https://github.com/che-incubator/che-dashboard-next/blob/master/.github/workflows/dockerimage.yml#L35

See also:

• Move Che release workflow from Centos CI #17857
• Add a GitHub action based release job che-devfile-registry#309
• Add a GitHub action based release job che-plugin-registry#723