test: update base docker image for ldap

.ci/docker-compose-file/openldap/Dockerfile

@@ -1,9 +1,12 @@
-FROM buildpack-deps:bookworm
+FROM ubuntu:20.04
 
 ARG LDAP_TAG=2.5.16
 
-RUN apt-get update && apt-get install -y groff groff-base
-RUN wget https://www.openldap.org/software/download/OpenLDAP/openldap-release/openldap-${LDAP_TAG}.tgz \
+ENV DEBIAN_FRONTEND noninteractive
+
+RUN apt-get update -y
+RUN apt-get install -y groff groff-base curl build-essential
+RUN curl -o openldap-${LDAP_TAG}.tgz https://www.openldap.org/software/download/OpenLDAP/openldap-release/openldap-${LDAP_TAG}.tgz \
     && tar xvzf openldap-${LDAP_TAG}.tgz \
     && cd openldap-${LDAP_TAG} \
     && ./configure && make depend && make && make install \