build: Use apt-get instead of apt

Author: feanil

.github/workflows/ci.yml

@@ -32,7 +32,7 @@ jobs:
           apt update &&
           apt install -y software-properties-common curl &&
           add-apt-repository ppa:deadsnakes/ppa -y &&
-          apt install -y python$PY_VER python$PY_VER-dev python$PY_VER-venv &&
+          apt-get update && apt-get install -y python$PY_VER python$PY_VER-dev python$PY_VER-venv &&
           update-alternatives --install /usr/bin/python3 python3 /usr/bin/python$PY_VER 1 &&
           python$PY_VER -m venv /tmp/venv &&
           /tmp/venv/bin/pip install --upgrade pip