app/version: bump minor version to v1.8-rc

[github-actions]

This pull request was automatically generated by the 'Bump Minor Version' GitHub Action.

• Previous Release: v1.7.2
• New Version: v1.8-rc
• Target Branch: main-v1.8

Changes

• Updated version in app/version/version.go from v1.7.2 to v1.8-rc

Next Steps

After this PR is merged, the main-v1.8 branch will have the updated version and can be used for further release processes.

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 (1c29397) to head (da6c770).
⚠️ Report is 1 commits behind head on main-v1.8.

Additional details and impacted files

@@              Coverage Diff              @@
##           main-v1.8    #4160      +/-   ##
=============================================
- Coverage      56.29%   56.28%   -0.01%     
=============================================
  Files            245      245              
  Lines          31246    31246              
=============================================
- Hits           17591    17588       -3     
- Misses         11337    11346       +9     
+ Partials        2318     2312       -6     

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