Update haupt.yml

.github/workflows/haupt.yml

@@ -40,6 +40,7 @@ jobs:
     - name: Install dependencies
       run: |
            sudo apt-get update -y -qq
+           sudo add-apt-repository ppa:deadsnakes/ppa --yes
            sudo apt search postgresql-server-dev
            # We don't use Hyrise's install_dependencies script as it includes much more than needed for this small setup here.
            sudo apt-get install -y ninja-build libboost-all-dev postgresql-server-dev-16 libtbb-dev systemtap-sdt-dev lld numactl python3.11-full python3.11-venv