build(deps): bump third-party/FFmpeg/Vulkan-Loader

Bumps [third-party/FFmpeg/Vulkan-Loader](https://github.com/KhronosGroup/Vulkan-Loader) from `506124c` to `ebc06b8`.
- [Commits](KhronosGroup/Vulkan-Loader@506124c...ebc06b8)

---
updated-dependencies:
- dependency-name: third-party/FFmpeg/Vulkan-Loader
  dependency-version: ebc06b83174f6b5200eb21de3e83fc0d03ddcd18
  dependency-type: direct:production
...

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Author: dependabot[bot]