pip: bump torch from 2.3.1 to 2.8.0 in /mapping (#971)

Fix for CVE-2025-32434, CVE-2025-3730, CVE-2025-2953.

Bumps torch from 2.3.1 to 2.8.0. Bumps torchvision to 0.23.0 to align versions.
Fix requests and gradio versions.

Co-authored-by: Sarat Poluri <sarat.chandra.poluri@intel.com>

Author: dependabot[bot]

mapping/requirements_api.txt

@@ -5,8 +5,8 @@
 # (Model dependencies are handled by individual model requirements.txt)
 flask>=3.0.0,<3.1.0
 flask-cors==6.0.0
-gradio
+gradio==6.5.0
 open3d-cpu[headless]==0.19.0
 opencv-python-headless>=4.8.0
-requests
+requests==2.32.5
 gunicorn==22.0.0

mapping/requirements_vggt.txt

@@ -1,5 +1,5 @@
 # SPDX-FileCopyrightText: (C) 2025 Intel Corporation
 # SPDX-License-Identifier: Apache-2.0
 
-torch==2.3.1
-torchvision==0.18.1
+torch==2.8.0
+torchvision==0.23.0