build: bump OS & python version for CI workflow

Author: patrislav1

.github/workflows/publish-to-pypi.yml

@@ -8,14 +8,14 @@ on:
 jobs:
   build-and-publish:
     name: "Publish Python distribution to PyPI"
-    runs-on: ubuntu-20.04
+    runs-on: ubuntu-24.04
 
     steps:
     - uses: actions/checkout@master
-    - name: Set up Python 3.7
+    - name: Set up Python 3.12
       uses: actions/setup-python@v1
       with:
-        python-version: 3.7
+        python-version: 3.12
 
     - name: "Build Python package"
       run: |