test: add readline during db configure

When debugging postgresql it's more convenient to use shortcuts and
other libreadline utilities during debugging.

Author: ashenBlade

.github/workflows/testing.yml

@@ -69,7 +69,7 @@ jobs:
     - name: Setup environment
       run: |
         sudo apt-get update
-        sudo apt-get install -y build-essential wget gdb lldb libpq5
+        sudo apt-get install -y build-essential wget gdb lldb libpq5 libreadline-dev
         echo 0 | sudo tee /proc/sys/kernel/yama/ptrace_scope
     - name: Restore PostgreSQL
       id: restore-postgresql

src/test/setup.sh

@@ -150,7 +150,6 @@ patch -p1 -i "$PATCH_FILE"
             --enable-debug \
             --enable-cassert \
             --without-openssl \
-            --without-readline \
             --without-python \
             --without-tcl \
             --without-pam \