feat: Delete files in file browser

[zusorio]

Closes #1287

[github-actions]

The generated OpenAPI client is not up to date with the latest changes in the OpenAPI specification.
Please run make openapi locally and commit the changes.

[codecov]

Codecov Report

Attention: Patch coverage is 21.05263% with 15 lines in your changes missing coverage. Please review.

Project coverage is 85.48%. Comparing base (30b7593) to head (d17c879).

Files with missing lines	Patch %	Lines
backend/capellacollab/sessions/operators/k8s.py	12.50%	14 Missing ⚠️
backend/capellacollab/sessions/files/routes.py	66.66%	1 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #2107      +/-   ##
==========================================
- Coverage   85.64%   85.48%   -0.17%     
==========================================
  Files         225      225              
  Lines        7462     7481      +19     
  Branches      525      528       +3     
==========================================
+ Hits         6391     6395       +4     
- Misses        906      921      +15     
  Partials      165      165              

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[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

[github-actions]

API Changelog 4.15.1.dev28+gd050319c

DELETE /api/v1/sessions/{session_id}/files

• endpoint added

[github-actions]

A Storybook preview is available for commit d050319.
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