Update Python test matrix

Signed-off-by: Stephen Finucane <[email protected]>

Author: stephenfin

.github/workflows/tests.yml

@@ -10,10 +10,10 @@ jobs:
     steps:
       - uses: actions/checkout@v3
 
-      - name: Set up Python 3.11
+      - name: Set up Python 3.13
         uses: actions/setup-python@v4
         with:
-          python-version: '3.11'
+          python-version: '3.13'
 
       - name: Run pre-commit
         run: |
@@ -24,7 +24,7 @@ jobs:
     strategy:
       matrix:
         os: [ubuntu-latest, macos-latest]
-        python-version: ['3.7', '3.8', '3.9', '3.10', '3.11']
+        python-version: ['3.9', '3.10', '3.11', '3.12', '3.13']
 
     runs-on: ${{ matrix.os }}
     steps:
@@ -49,10 +49,10 @@ jobs:
     steps:
       - uses: actions/checkout@v3
 
-      - name: Set up Python 3.11
+      - name: Set up Python 3.13
         uses: actions/setup-python@v4
         with:
-          python-version: '3.11'
+          python-version: '3.13'
 
       - name: Run sphinx
         run: |
@@ -65,10 +65,10 @@ jobs:
     steps:
       - uses: actions/checkout@v3
 
-      - name: Set up Python 3.11
+      - name: Set up Python 3.13
         uses: actions/setup-python@v4
         with:
-          python-version: '3.11'
+          python-version: '3.13'
 
       - name: Prepare artifacts
         run: |