fix: bump Jellyfin to 10.9

[ReenigneArcher]

Description

Bump jellyfin controller from 10.8.13 to 10.9.0.

Screenshot

Issues Fixed or Closed

• Resolves Unsupported in Jellyfin 10.9.0+ #310

Type of Change

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to not work as expected)
• Dependency update (updates to dependencies)
• Documentation update (changes to documentation)
• Repository update (changes to repository files, e.g. .github/...)

Checklist

• My code follows the style guidelines of this project
• I have performed a self-review of my own code
• I have commented my code, particularly in hard-to-understand areas
• I have added or updated the in code docstring/documentation-blocks for new or existing methods/components

Branch Updates

LizardByte requires that branches be up-to-date before merging. This means that after any PR is merged, this branch
must be updated before it can be merged. You must also
Allow edits from maintainers.

• I want maintainers to keep my branch updated

[codecov]

Codecov Report

Attention: Patch coverage is 50.00000% with 9 lines in your changes are missing coverage. Please review.

Project coverage is 69.32%. Comparing base (971a217) to head (c7dcfea).

Additional details and impacted files

@@            Coverage Diff             @@
##           master     #314      +/-   ##
==========================================
- Coverage   70.07%   69.32%   -0.76%     
==========================================
  Files           5        5              
  Lines         401      414      +13     
  Branches       36       36              
==========================================
+ Hits          281      287       +6     
- Misses        107      114       +7     
  Partials       13       13              

Files	Coverage Δ
Jellyfin.Plugin.Themerr/Api/ThemerrController.cs	64.03% <100.00%> (+1.99%)	⬆️
Jellyfin.Plugin.Themerr/ThemerrManager.cs	77.14% <50.00%> (-0.32%)	⬇️
...yfin.Plugin.Themerr/ScheduledTasks/ThemerrTasks.cs	0.00% <0.00%> (ø)