Changing repository for ubuntu gis packages

Author: Sibyx

.github/workflows/tests.yml

@@ -8,7 +8,7 @@ jobs:
     strategy:
       max-parallel: 4
       matrix:
-        python-version: [3.9, '3.10', '3.11']
+        python-version: [3.9, '3.10', '3.11', '3.12']
 
     steps:
     - uses: actions/checkout@v3
@@ -18,7 +18,7 @@ jobs:
         python-version: ${{ matrix.python-version }}
     - name: Install dependencies
       run: |
-        sudo apt-add-repository ppa:ubuntugis/ubuntugis-unstable
+        sudo apt-add-repository ppa:ubuntugis/ppa
         sudo apt-get update
         sudo apt-get install gdal-bin libgdal-dev -y
         python -m pip install --upgrade pip