Update Python versions in CI workflow to include 3.13

Dropped testing for Python 3.7 and updated workflows to use Python 3.12 for documentation, distribution, and coverage steps instead of 3.10. Adjustments ensure compatibility with the latest supported Python versions.

.github/workflows/python_testing.yml

@@ -10,7 +10,7 @@ jobs:
       max-parallel: 6
       fail-fast: False
       matrix:
-        python-version: ["3.7", "3.8", "3.9", "3.10", "3.11", "3.12"]
+        python-version: ["3.8", "3.9", "3.10", "3.11", "3.12", "3.13"]
 
     steps:
     - uses: actions/checkout@v3
@@ -26,12 +26,12 @@ jobs:
         pip install -r requirements-ci.txt
 
     - name: Perform Testing
-      if: matrix.python-version != 3.10
+      if: matrix.python-version != 3.12
       run: |
         pytest -n auto tests
 
     - name: Check docs and distribution
-      if: matrix.python-version == 3.10
+      if: matrix.python-version == 3.12
       run: |
         pip install flake8 pydocstyle check-manifest readme_renderer[md] twine>=2.0.0
 
@@ -42,7 +42,7 @@ jobs:
         twine check dist/*
 
     - name: Perform coverage tests and upload to coveralls.io
-      if: matrix.python-version == 3.10
+      if: matrix.python-version == 3.12
       env:
         GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
         COVERALLS_REPO_TOKEN: ${{ secrets.COVERALLS_REPO_TOKEN }}