put back install postgresql postgresql-contrib

.github/actions/setup-postgres-linux/action.yml

@@ -11,6 +11,7 @@ runs:
         curl -fsSL https://www.postgresql.org/media/keys/ACCC4CF8.asc|sudo gpg --dearmor -o /etc/apt/trusted.gpg.d/postgresql.gpg
         sudo apt update -y
         sudo apt install postgresql-16
+        sudo apt-get -y install postgresql postgresql-contrib
         sudo systemctl | grep postgres
         sudo systemctl start postgresql
         sudo systemctl enable postgresql