Vulkan: Include the info log in the shader compile error panic alert

The other backends do this, and it is helpful for quickly identifying errors during development.

Source/Core/VideoBackends/Vulkan/ShaderCompiler.cpp

@@ -173,7 +173,7 @@ static std::optional<SPIRVCodeVector> CompileShaderToSPV(EShLanguage stage,
     stream << "Video Backend: " + g_video_backend->GetDisplayName();
     stream.close();
 
-    PanicAlertFmt("{} (written to {})", msg, filename);
+    PanicAlertFmt("{} (written to {})\nDebug info:\n{}", msg, filename, shader->getInfoLog());
   };
 
   if (!shader->parse(GetCompilerResourceLimits(), default_version, profile, false, true, messages,