prerelase ubuntu arm runner 3.15

Author: priya-kinthali

.github/workflows/test-1267-prerelease.yml

@@ -13,9 +13,9 @@ jobs:
       fail-fast: false
       matrix:
         # os: [windows-latest, windows-11-arm, ubuntu-latest, macos-15-intel, macos-latest]
-        os: [windows-11-arm]
+        os: [ubuntu-22.04-arm]
         python-version: [
-          '3.14.0-rc.1','3.15.0-alpha.1'
+          '3.14.0-rc.1','3.15.0-alpha.0', 3.15.0-alpha.1', 3.15.0-alpha.2', 3.15.0-alpha.3', 3.15.0-alpha.4', 3.15.0-alpha.5', 3.15.0-alpha.6'
         ]
 
     steps:
@@ -27,7 +27,7 @@ jobs:
       # uses: priya-kinthali/setup-python@test-1079
       with:
           python-version: ${{ matrix.python-version }}
-          freethreaded: true
+          # freethreaded: true
     - name: Check Python version
       run: python3 --version