Expose Location Zones metrics

[jjngx]

Proposed changes

This PR makes location zones metrics available for a dashboard / prometheus.

Checklist

Before creating a PR, run through this checklist and mark each as complete.

• I have read the CONTRIBUTING doc
• I have added tests that prove my fix is effective or that my feature works
• I have checked that all unit tests pass after adding my changes
• I have updated necessary documentation
• I have rebased my branch onto main
• I will ensure my PR is targeting the main branch and pulling from my branch from my own fork

[github-actions]

Dependency Review

✅ No vulnerabilities or license issues found.

Scanned Manifest Files

[codecov]

Codecov Report

Merging #4080 (084b6df) into main (d88c475) will decrease coverage by 0.02%.
The diff coverage is n/a.

❗ Current head 084b6df differs from pull request most recent head 8f05fba. Consider uploading reports for the commit 8f05fba to get more accurate results

@@            Coverage Diff             @@
##             main    #4080      +/-   ##
==========================================
- Coverage   51.88%   51.87%   -0.02%     
==========================================
  Files          59       59              
  Lines       16710    16710              
==========================================
- Hits         8670     8668       -2     
- Misses       7743     7745       +2     
  Partials      297      297              

see 1 file with indirect coverage changes

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[ADubhlaoich]

LGTM!