Add docker build/push to staging release

[afshin-deriv]

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A production App ID was automatically generated for this PR. (log)

• PR test: Add docker build/push to staging release #6615
• URLs:
  • w/ App ID + Server: https://binary-static-git-fork-afshinpaydar-binary-releasestagin-d668fa.binary.sx/en/logged_inws.html?qa_server=frontend.binaryws.com&app_id=27967
  • Original: https://binary-static-git-fork-afshinpaydar-binary-releasestagin-d668fa.binary.sx/en/logged_inws.html
• App ID: 27967

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- **PR**: [https://github.com/binary-com/binary-static/pull/6615](https://github.com/binary-com/binary-static/pull/6615)
- **URLs**:
    - **w/ App ID + Server**: https://binary-static-git-fork-afshinpaydar-binary-releasestagin-d668fa.binary.sx/en/logged_inws.html?qa_server=frontend.binaryws.com&app_id=27967
    - **Original**: https://binary-static-git-fork-afshinpaydar-binary-releasestagin-d668fa.binary.sx/en/logged_inws.html
- **App ID**: `27967`