Project: stamp UnityGLTF package version, add performance test run resources

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>

Assets/Resources/UnityGLTFSettings.asset

@@ -214,7 +214,7 @@ MonoBehaviour:
   m_Script: {fileID: 11500000, guid: 9d9a5969691dba845877d0a52b6d9397, type: 3}
   m_Name: UnityGLTFSettings
   m_EditorClassIdentifier: UnityGLTFScripts::UnityGLTF.GLTFSettings
-  packageVersion: 
+  packageVersion: 2.19.5
   shaderStrippingSettings:
     stripPassesFromAllShaders: 0
     stripPasses: 0