fix(CORS): explicitly assign allowed CORS methods

[mdelez]

Pull Request Checklist

Task Description/Number

Using the default anyMethod parameter doesn't work for PUT or DELETE requests. This PR explicitly assigns which CORS methods are allowed.

Basic Requirements

Please check if your PR fulfills the following requirements:

• Tests for the changes have been added (for bug fixes / features)
• Docs have been added / updated (for bug fixes / features)

PR Type

What kind of change does this PR introduce?

• fix: represents bug fixes
• refactor: represents production code refactoring
• feat: represents a new feature
• docs: documentation changes (no production code change)
• chore: maintenance tasks (no production code change)
• test: all about tests: adding, refactoring tests (no production code change)
• other... Please describe:

Does this PR introduce a breaking change?

• Yes
• No
• Maybe (not 100% sure => check with FE)

Does this PR change client-test-data?

• Yes (don't forget to update the JS-LIB team about the change)
• No

[codecov]

Codecov Report

Base: 9.67% // Head: 9.67% // Decreases project coverage by -0.01% ⚠️

Coverage data is based on head (75f82d1) compared to base (dc8b4b5).
Patch coverage: 0.00% of modified lines in pull request are covered.

Additional details and impacted files

@@           Coverage Diff            @@
##            main   #2443      +/-   ##
========================================
- Coverage   9.67%   9.67%   -0.01%     
========================================
  Files        283     283              
  Lines      29373   29375       +2     
========================================
  Hits        2841    2841              
- Misses     26532   26534       +2     

Impacted Files	Coverage Δ
...main/scala/org/knora/webapi/core/HttpServerZ.scala	0.00% <0.00%> (ø)

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[irinaschubert]

LGTM

[BalduinLandolt]

Happy first contribution! 🥳