ci: Fix purge pg error

.github/workflows/test.yml

@@ -33,7 +33,7 @@ jobs:
           date
           echo "----- Removing pre-installed PostgreSQL -----"
           psql --version  # Check version to confirm
-          sudo apt purge postgresql-14
+          sudo apt purge postgresql-16
           echo "----- Installing PostgreSQL ${{ matrix.postgres }} -----"      
           sudo sh -c 'echo "deb http://apt.postgresql.org/pub/repos/apt $(lsb_release -cs)-pgdg main" > /etc/apt/sources.list.d/pgdg.list'
           wget --quiet -O - https://www.postgresql.org/media/keys/ACCC4CF8.asc | sudo apt-key add -