Update to SDL 3.4.16

.github/workflows/build-appimage.yml

@@ -42,7 +42,7 @@ jobs:
         uses: actions/checkout@v5
         with:
           repository: libsdl-org/SDL
-          ref: release-3.4.14
+          ref: release-3.4.16
           path: deps/SDL
 
       - name: Build SDL3

setup-deps.ps1

@@ -4,7 +4,7 @@ $Organization = "moonlight-stream"
 $PrebuiltRepo = "moonlight-qt-deps"
 $TargetDir = Join-Path $PSScriptRoot "libs\windows"
 $Assets = @("windows-x64.zip", "windows-ARM64.zip")
-$Tag = "v14"
+$Tag = "v15"
 
 if (Test-Path $TargetDir) {
     Write-Host "Cleaning target directory..." -ForegroundColor Cyan

setup-deps.py

@@ -7,7 +7,7 @@ import shutil
 
 ORGANIZATION = "moonlight-stream"
 PREBUILT_REPO = "moonlight-qt-deps"
-TAG = "v14"
+TAG = "v15"
 
 def get_platform_config():
     system = platform.system()