[App] Enable Python Server and Gradio Serve to run on accelerated device such as GPU CUDA / MPS (#15813)

(cherry picked from commit 4e64391)

Author: tchaton

src/lightning_app/CHANGELOG.md

@@ -56,6 +56,8 @@ The format is based on [Keep a Changelog](http://keepachangelog.com/en/1.0.0/).
 
 - Fixed the work not stopped when successful when passed directly to the LightningApp ([#15801](https://github.com/Lightning-AI/lightning/pull/15801))
 
+- Fixed the PyTorch Inference locally on GPU ([#15813](https://github.com/Lightning-AI/lightning/pull/15813))
+
 
 ## [1.8.2] - 2022-11-17