feat(api): extend counts endpoint with active/inactive counts and update_details

[JosephKav]

/api/v1/counts

{
  "service_count": 44,
  "service_count_active": 41,
  "service_count_inactive": 3,
  "updates_available": 2,
  "updates_skipped": 1,
  "update_details": [
    {
      "service_name": "App1",
      "deployed_version": "1.32.5.7349",
      "latest_version": "1.33.0.7405",
      "last_checked": "2025-07-25T10:44:00Z",
      "auto_approve": false,
      "approved": true,
      "skipped": false
    },
    {
      "service_name": "App2",
      "latest_version": "1.21.0",
      "deployed_version": "1.20.4",
      "last_checked": "2025-07-25T10:44:00Z",
      "auto_approve": false,
      "approved": false,
      "skipped": true
    },
    {
      "service_name": "App2",
      "deployed_version": "1.20.4",
      "latest_version": "1.21.0",
      "last_checked": "2025-07-25T10:44:00Z",
      "auto_approve": false,
      "approved": false,
      "skipped": false
    }
  ]
}

How does this format look @samcro1967? Minor renames to your suggestion (and add skipped to update_details)

closes #617

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 98.96%. Comparing base (d459b67) to head (514b7ce).
⚠️ Report is 2 commits behind head on master.

Additional details and impacted files

@@            Coverage Diff             @@
##           master     #775      +/-   ##
==========================================
+ Coverage   98.96%   98.96%   +0.01%     
==========================================
  Files         137      137              
  Lines        9193     9218      +25     
==========================================
+ Hits         9097     9122      +25     
  Misses         73       73              
  Partials       23       23              

☔ View full report in Codecov by Sentry.
📢 Have feedback on the report? Share it here.

🚀 New features to boost your workflow:

• ❄️ Test Analytics: Detect flaky tests, report on failures, and find test suite problems.
• 📦 JS Bundle Analysis: Save yourself from yourself by tracking and limiting bundle sizes in JS merges.

[samcro1967]

Looks really good. Appreciate you adding this.