Update build versions

Author: tboggs

.github/workflows/python-package.yml

@@ -16,7 +16,37 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        python-version: [2.7, 3.6.15, 3.7, 3.8, 3.9, "3.10"]
+        python-version: ["3.10", "3.11", "3.12", "3.13", "3.14"]
+
+    steps:
+    - uses: actions/checkout@v4
+    - name: Set up Python ${{ matrix.python-version }}
+      uses: actions/setup-python@v4
+      with:
+        python-version: ${{ matrix.python-version }}
+    - name: Install dependencies
+      run: |
+        python -m pip install --upgrade pip
+        python -m pip install flake8 numpy pytest
+        if [ -f requirements.txt ]; then pip install -r requirements.txt; fi
+        git clone https://github.com/spectralpython/sample-data.git ~/spectral_data
+    - name: Lint with flake8
+      run: |
+        # stop the build if there are Python syntax errors or undefined names
+        flake8 . --count --select=E9,F63,F7,F822 --show-source --statistics
+        # exit-zero treats all errors as warnings. The GitHub editor is 127 chars wide
+        flake8 . --count --exit-zero --max-complexity=10 --max-line-length=127 --statistics
+    - name: Run unit tests
+      run: |
+        SPECTRAL_DATA=~/spectral_data python -m spectral.tests.run
+
+  build:
+
+    runs-on: ubuntu-20.04
+    strategy:
+      fail-fast: false
+      matrix:
+        python-version: [3.6.15, 3.7, 3.8]
 
     steps:
     - uses: actions/checkout@v4