Refresh CI harness

Author: jqtrde

.github/workflows/test.yaml

@@ -10,9 +10,15 @@ jobs:
     strategy:
       matrix:
         include:
-          - python-version: 3.8
+          - python-version: '3.10'
             os: ubuntu-22.04
-          - python-version: 3.9
+          - python-version: '3.11'
+            os: ubuntu-22.04
+          - python-version: '3.12'
+            os: ubuntu-22.04
+          - python-version: '3.13'
+            os: ubuntu-22.04
+          - python-version: '3.14'
             os: ubuntu-22.04
 
     runs-on: ${{ matrix.os }}
@@ -27,9 +33,9 @@ jobs:
 
       - name: Install dependencies
         run: |
-          python -m pip install --upgrade pip setuptools
-          pip install "importlib-metadata==4.8.3"
-          pip install -r requirements.txt -e .[test]
+          python -m pip install --upgrade pip
+          pip install -e '.[estimate-area]'
+          pip install pytest pytest-cov pre-commit codecov
 
       - name: Show Python and pytest versions
         run: |
@@ -46,7 +52,7 @@ jobs:
         run: ls -la
 
       - name: Upload coverage to GitHub (optional, internal)
-        if: matrix.python-version == '3.8'
+        if: matrix.python-version == '3.10'
         uses: actions/upload-artifact@v4
         with:
           name: coverage-report