app: bump version to v1.9-dev

[obol-platform]

This pull request was automatically generated by the 'Tag Minor Full Release' GitHub Action.

• Target Branch: main
• New Dev Version: v1.9-dev
• Stable Release: v1.8.0

Changes

• Updated version in app/version/version.go to v1.9-dev

Next Steps

This PR should be merged after the stable version PR is merged to start the next development cycle.

category: misc
ticket: none

[sonarqubecloud]

Quality Gate passed

Issues
0 New issues
0 Accepted issues

Measures
0 Security Hotspots
0.0% Coverage on New Code
0.0% Duplication on New Code

See analysis details on SonarQube Cloud

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 56.28%. Comparing base (d33572f) to head (c1c6a14).
⚠️ Report is 3 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #4192      +/-   ##
==========================================
- Coverage   56.31%   56.28%   -0.03%     
==========================================
  Files         245      245              
  Lines       31302    31287      -15     
==========================================
- Hits        17628    17611      -17     
- Misses      11355    11358       +3     
+ Partials     2319     2318       -1     

☔ 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.