chore: use latest ubuntu tu run tests, and python 3.13 to collect coverage

Author: ilfa

.github/workflows/coverage-report.yml

@@ -14,7 +14,7 @@ jobs:
       - uses: actions/checkout@v4
       - uses: actions/setup-python@v5
         with:
-          python-version: "3.12"
+          python-version: "3.13"
       - name: "Install dependencies"
         run: |
           python -m pip install --upgrade pip

.github/workflows/functional_tests.yml

@@ -17,7 +17,7 @@ jobs:
       fail-fast: false
       max-parallel: 1
       matrix:
-        python-version: [ "3.9", "3.10", "3.11", "3.12", "pypy3.9", "pypy3.10" ]
+        python-version: [ "3.9", "3.10", "3.11", "3.12", "3.13", "pypy3.9", "pypy3.10" ]
 
     steps:
       - uses: actions/checkout@v4

.github/workflows/test.yml

@@ -9,11 +9,11 @@ on:
 jobs:
   tests:
     name: "Python ${{ matrix.python-version }}"
-    runs-on: "ubuntu-20.04"
+    runs-on: "ubuntu-latest"
 
     strategy:
       matrix:
-        python-version: [ "3.9", "3.10", "3.11", "3.12", "pypy3.9", "pypy3.10" ]
+        python-version: [ "3.9", "3.10", "3.11", "3.12", "3.13", "pypy3.9", "pypy3.10" ]
 
     steps:
       - uses: actions/checkout@v4