Add Python 3.10 to test matrix

Co-authored-by: ev-br <2133832+ev-br@users.noreply.github.com>

Author: Copilot

.github/workflows/test.yml

@@ -8,7 +8,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        python-version: ["3.12", "3.13"]
+        python-version: ["3.10", "3.12", "3.13"]
 
     steps:
     - name: Checkout array-api-tests