fix: do not run windows and mac os tests on gpu branch

.github/workflows/python-tests.yml

@@ -1,10 +1,11 @@
 name: Tests
+run-name: Tests (gpu)
 
 on:
   pull_request:
     branches: [ master, main, gpu ]
   workflow_dispatch:
-  
+
 
 env:
   CARGO_TERM_COLOR: always
@@ -22,22 +23,6 @@ jobs:
           - '3.13.x'
         os:
           - ubuntu-latest
-          - macos-latest
-          - windows-latest
-        exclude:
-          # Exclude 3.10–3.12 for macOS and Windows
-          - os: macos-latest
-            python-version: '3.10.x'
-          - os: macos-latest
-            python-version: '3.11.x'
-          - os: macos-latest
-            python-version: '3.12.x'
-          - os: windows-latest
-            python-version: '3.10.x'
-          - os: windows-latest
-            python-version: '3.11.x'
-          - os: windows-latest
-            python-version: '3.12.x'
 
     runs-on: ${{ matrix.os }}