fix(linux/vulkan): encoder not working on NVIDIA GPUs

[Signynt]

Description

Added VK_IMAGE_USAGE_VIDEO_ENCODE_SRC_BIT_KHR to the vulkan encoder to fix it not working on nvidia GPUs.

Screenshot

Issues Fixed or Closed

Previously trying to use the Vulkan encoder on Nvidia GPUs resultet in an error (see here).

Roadmap Issues

Type of Change

• feat: New feature (non-breaking change which adds functionality)
• fix: Bug fix (non-breaking change which fixes an issue)
• docs: Documentation only changes
• style: Changes that do not affect the meaning of the code (white-space, formatting, missing semicolons, etc.)
• refactor: Code change that neither fixes a bug nor adds a feature
• perf: Code change that improves performance
• test: Adding missing tests or correcting existing tests
• build: Changes that affect the build system or external dependencies
• ci: Changes to CI configuration files and scripts
• chore: Other changes that don't modify src or test files
• revert: Reverts a previous commit
• BREAKING CHANGE: Introduces a breaking change (can be combined with any type above)

Checklist

• Code follows the style guidelines of this project
• Code has been self-reviewed
• Code has been commented, particularly in hard-to-understand areas
• Code docstring/documentation-blocks for new or existing methods/components have been added or updated
• Unit tests have been added or updated for any new or modified functionality

AI Usage

• None: No AI tools were used in creating this PR
• Light: AI provided minor assistance (formatting, simple suggestions)
• Moderate: AI helped with code generation or debugging specific parts
• Heavy: AI generated most or all of the code changes

[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

[codecov]

Bundle Report

Bundle size has no change ✅

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 17.99%. Comparing base (a16c070) to head (29c8876).
⚠️ Report is 1 commits behind head on master.
✅ All tests successful. No failed tests found.

Additional details and impacted files

@@            Coverage Diff             @@
##           master    #4994      +/-   ##
==========================================
+ Coverage   17.97%   17.99%   +0.01%     
==========================================
  Files         108      108              
  Lines       23424    23424              
  Branches    10340    10340              
==========================================
+ Hits         4211     4214       +3     
- Misses      14211    17139    +2928     
+ Partials     5002     2071    -2931     

Flag	Coverage Δ
Archlinux	11.60% <ø> (ø)
FreeBSD-14.3-aarch64	?
FreeBSD-14.3-amd64	13.59% <ø> (+<0.01%)	⬆️
Homebrew-ubuntu-22.04	13.92% <ø> (ø)
Linux-AppImage	12.21% <ø> (ø)
Windows-AMD64	14.90% <ø> (ø)
Windows-ARM64	13.23% <ø> (ø)
macOS-arm64	19.02% <ø> (ø)
macOS-x86_64	18.37% <ø> (-0.02%)	⬇️

Flags with carried forward coverage won't be shown. Click here to find out more.

Files with missing lines	Coverage Δ
src/platform/linux/vulkan_encode.cpp	0.34% <ø> (ø)

... and 67 files with indirect coverage changes

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