CI: trim self-tests

Drop python 3.9 and 3.10, drop numpy 1.21
Not adding python 3.13 because ndonnx only supports 3.12 at the moment.

Author: ev-br

Diff for: .github/workflows/array-api-tests.yml

@@ -40,9 +40,6 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        # Min version of dask we need dropped support for Python 3.9
-        # There is no numpy git tip for Python 3.9 or 3.10
-#        python-version: ${{ (inputs.package-name == 'dask' && fromJson('[''3.10'', ''3.11'', ''3.12'']')) || (inputs.package-name == 'numpy' && inputs.xfails-file-extra == '-dev' && fromJson('[''3.11'', ''3.12'']')) || fromJson('[''3.9'', ''3.10'', ''3.11'', ''3.12'']') }}
         python-version: ['3.11', '3.12', '3.13']
 
     steps:

Diff for: .github/workflows/tests.yml

@@ -5,13 +5,11 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        python-version: ['3.9', '3.10', '3.11', '3.12']
-        numpy-version: ['1.21', '1.26', '2.0', 'dev']
+        python-version: ['3.11', '3.12']
+        numpy-version: ['1.26', 'latest', 'dev']
         exclude:
-          - python-version: '3.11'
-            numpy-version: '1.21'
-          - python-version: '3.12'
-            numpy-version: '1.21'
+          - python-version: '3.13'
+            numpy-version: '1.26'
       fail-fast: true
     steps:
       - uses: actions/checkout@v4
@@ -23,21 +21,15 @@ jobs:
           python -m pip install --upgrade pip
           if [ "${{ matrix.numpy-version }}" == "dev" ]; then
             PIP_EXTRA='numpy --pre --extra-index-url https://pypi.anaconda.org/scientific-python-nightly-wheels/simple'
-          elif [ "${{ matrix.numpy-version }}" == "1.21" ]; then
-            PIP_EXTRA='numpy==1.21.*'
-          else
+          elif [ "${{ matrix.numpy-version }}" == "1.26" ]; then
             PIP_EXTRA='numpy==1.26.*'
           fi
 
-          if [ "${{ matrix.python-version }}" == "3.9" ]; then
-            sed -i '/^ndonnx/d' requirements-dev.txt
-          fi
-
           python -m pip install -r requirements-dev.txt $PIP_EXTRA
 
       - name: Run Tests
         run: |
-          if [[ "${{ matrix.numpy-version }}" == "1.21" || "${{ matrix.numpy-version }}" == "dev" ]]; then
+          if [[ "${{ matrix.numpy-version }}" == "dev" ]]; then
              PYTEST_EXTRA=(-k "numpy and not jax and not torch and not dask and not sparse")
           fi
           pytest -v "${PYTEST_EXTRA[@]}"