Update Brunei Darussalam islamic holidays for 2024

[PPsyrius]

Proposed change

Finalizing 2024 Islamic Holidays date according to the Brunei Darussalam's Department of Labour and ASEAN Member State Public Holidays 2024.

Type of change

• New country/market holidays support (thank you!)
• Supported country/market holidays update (calendar discrepancy fix, localization)
• Existing code/documentation/test/process quality improvement (best practice, cleanup, refactoring, optimization)
• Dependency update (version deprecation/pin/upgrade)
• Bugfix (non-breaking change which fixes an issue)
• Breaking change (a code change causing existing functionality to break)
• New feature (new python-holidays functionality in general)

Checklist

• I've followed the contributing guidelines
• I've run make pre-commit, it didn't generate any changes
• I've run make test, all tests passed locally

[sonarqubecloud]

Quality Gate passed

Issues
0 New issues
0 Accepted issues

Measures
0 Security Hotspots
0.0% Coverage on New Code
7.7% Duplication on New Code

See analysis details on SonarCloud

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 100.00%. Comparing base (5c3250e) to head (bab93a7).
Report is 3 commits behind head on dev.

Additional details and impacted files

@@            Coverage Diff            @@
##               dev     #1937   +/-   ##
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  Coverage   100.00%   100.00%           
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  Files          186       186           
  Lines        11315     11315           
  Branches      1789      1789           
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  Hits         11315     11315           

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