build(docker): ensure healthcheck remains in same location

[rsdmike]

PR Checklist

• Unit Tests have been added for new changes
• API tests have been updated if applicable
• All commented code has been removed
• If you've added a dependency, you've ensured license is compatible with Apache 2.0 and clearly outlined the added dependency.

What are you changing?

Anything the reviewer should know when reviewing this PR?

If the there are associated PRs in other repositories, please link them here (i.e. open-amt-cloud-toolkit/repo#365 )

[codecov]

Codecov Report

Merging #872 (ab77c04) into main (be84f69) will not change coverage.
The diff coverage is n/a.

❗ Current head ab77c04 differs from pull request most recent head 30fe343. Consider uploading reports for the commit 30fe343 to get more accurate results

@@           Coverage Diff           @@
##             main     #872   +/-   ##
=======================================
  Coverage   94.41%   94.41%           
=======================================
  Files          78       78           
  Lines        3330     3330           
  Branches      560      560           
=======================================
  Hits         3144     3144           
  Misses        179      179           
  Partials        7        7           

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