Change runner to self-hosted in Python workflow

Updated the workflow to use a self-hosted runner instead of multiple OS options.

Author: priyagupta108

.github/workflows/python-app.yml

@@ -12,7 +12,8 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        os: [ubuntu-latest, ubuntu-22.04, windows-latest, macos-13, macos-latest]
+        # os: [ubuntu-latest, ubuntu-22.04, windows-latest, macos-13, macos-latest]
+          os: [self-hosted]
         # os: [windows-2025, windows-latest, windows-2019, windows-11-arm]
         # python-version: ['3.13.1t', '3.13.1', '3.12', '3.11', '3.10']
     steps: