fix: Fixed CORS headers in dataproxy, authors in server

[lfbrehm]

Fixed:

• When OPTIONS requests are made, bucket-specific CORS configurations are returned
• Only CORS headers for ORIGIN are returned
• Authors are now also updated in database
• CORS headers are either set or deleted, not both

[codecov]

Codecov Report

❌ Patch coverage is 1.60000% with 123 lines in your changes missing coverage. Please review.
✅ Project coverage is 32.68%. Comparing base (082e497) to head (6a79c0e).
⚠️ Report is 3 commits behind head on main.

Files with missing lines	Patch %	Lines
components/data_proxy/src/s3_frontend/s3server.rs	0.00%	102 Missing ⚠️
components/data_proxy/src/s3_frontend/s3service.rs	0.00%	8 Missing ⚠️
components/server/src/database/dsls/object_dsl.rs	20.00%	8 Missing ⚠️
...nents/data_proxy/src/caching/grpc_query_handler.rs	0.00%	4 Missing ⚠️
...onents/server/src/middlelayer/update_db_handler.rs	0.00%	1 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #202      +/-   ##
==========================================
- Coverage   32.93%   32.68%   -0.26%     
==========================================
  Files         127      127              
  Lines       23197    23287      +90     
  Branches    23197    23287      +90     
==========================================
- Hits         7640     7611      -29     
- Misses      14574    14693     +119     
  Partials      983      983              

☔ 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.

[das-Abroxas]

Nice improval. Looks good 👍