feat: docker multiplatform builds

[sainak]

Proposed Changes

• add support for docker multiplatform builds
• revert to local cache backend for layer caching

Associated Issue

• closes Support for docker multi-platform images #1645

Merge Checklist

• Tests added/fixed
• Update docs in /docs
• Linting Complete
• Any other necessary step

Only PR's with test cases included and passing lint and test pipelines will be reviewed

@coronasafe/care-backend-maintainers @coronasafe/care-backend-admins

[codecov]

Codecov Report

All modified lines are covered by tests ✅

Comparison is base (5dff7a0) 59.44% compared to head (43c0c3a) 59.11%.
Report is 5 commits behind head on master.

❗ Current head 43c0c3a differs from pull request most recent head d9b7990. Consider uploading reports for the commit d9b7990 to get more accurate results

Additional details and impacted files

@@            Coverage Diff             @@
##           master    #1646      +/-   ##
==========================================
- Coverage   59.44%   59.11%   -0.33%     
==========================================
  Files         208      207       -1     
  Lines       11278    11264      -14     
  Branches     1597     1599       +2     
==========================================
- Hits         6704     6659      -45     
- Misses       4372     4405      +33     
+ Partials      202      200       -2     

see 9 files with indirect coverage changes

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