Updated test matrix

.github/workflows/installer.yml

@@ -11,7 +11,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        python-version: [3.8, 3.9, '3.10', '3.11']
+        python-version: [3.9, '3.10', '3.11', '3.12']
       fail-fast: false
 
     steps:
@@ -24,15 +24,15 @@ jobs:
         run: |
           pip install -r test-requirements.txt
       - name: Run tests
-        if: ${{ matrix.python-version != '3.11' }}
+        if: ${{ matrix.python-version != '3.12' }}
         run: |
           python tests.py
       - name: Run tests and coverage
-        if: ${{ matrix.python-version == '3.11' }}
+        if: ${{ matrix.python-version == '3.12' }}
         run: |
           coverage run tests.py
       - name: Upload coverage result
-        if: ${{ matrix.python-version == '3.11' }}
+        if: ${{ matrix.python-version == '3.12' }}
         uses: actions/upload-artifact@v4
         with:
           name: coverage-results
@@ -46,7 +46,7 @@ jobs:
       - name: Set up Python
         uses: actions/setup-python@v5
         with:
-          python-version: '3.11'
+          python-version: '3.12'
       - name: Install dependencies
         run: |
           pip install codecov