feat: Add openldap-devel dependency for the support of the plugin ldap-auth (#222)

diff --git a/all-in-one/apisix/Dockerfile b/all-in-one/apisix/Dockerfile
index 6064ba6..cc8939b 100644
--- a/all-in-one/apisix/Dockerfile
+++ b/all-in-one/apisix/Dockerfile
@@ -21,6 +21,7 @@
     git \
     pcre \
     pcre-dev \
+    openldap-dev \
     && mkdir ~/.luarocks \
     && luarocks config variables.OPENSSL_LIBDIR /usr/local/openresty/openssl/lib \
     && luarocks config variables.OPENSSL_INCDIR /usr/local/openresty/openssl/include \
@@ -49,7 +50,7 @@
 # add runtime for Apache APISIX
 RUN set -x \
     && (test "${ENABLE_PROXY}" != "true" || /bin/sed -i 's,http://dl-cdn.alpinelinux.org,https://mirrors.aliyun.com,g' /etc/apk/repositories) \
-    && apk add --no-cache bash libstdc++ curl
+    && apk add --no-cache bash libstdc++ curl openldap-dev
 
 WORKDIR /usr/local/apisix
 
diff --git a/alpine-dev/Dockerfile b/alpine-dev/Dockerfile
index 30414fa..f4dd1a2 100644
--- a/alpine-dev/Dockerfile
+++ b/alpine-dev/Dockerfile
@@ -14,6 +14,7 @@
     git \
     pcre \
     pcre-dev \
+    openldap-dev \
     && mkdir ~/.luarocks \
     && luarocks config variables.OPENSSL_LIBDIR /usr/local/openresty/openssl/lib \
     && luarocks config variables.OPENSSL_INCDIR /usr/local/openresty/openssl/include \
@@ -28,7 +29,7 @@
 # add runtime for Apache APISIX
 RUN set -x \
     && (test "${ENABLE_PROXY}" != "true" || /bin/sed -i 's,http://dl-cdn.alpinelinux.org,https://mirrors.aliyun.com,g' /etc/apk/repositories) \
-    && apk add --no-cache bash libstdc++ curl tzdata
+    && apk add --no-cache bash libstdc++ curl tzdata openldap-dev
 
 WORKDIR /usr/local/apisix
 
diff --git a/alpine-local/Dockerfile b/alpine-local/Dockerfile
index 2bd0048..4aee426 100644
--- a/alpine-local/Dockerfile
+++ b/alpine-local/Dockerfile
@@ -16,6 +16,7 @@
     git \
     pcre \
     pcre-dev \
+    openldap-dev \
     && cd apisix \
     && make deps \
     && cp -v bin/apisix /usr/bin/ \
@@ -28,7 +29,7 @@
 # add runtime for Apache APISIX
 RUN set -x \
     && (test "${ENABLE_PROXY}" != "true" || /bin/sed -i 's,http://dl-cdn.alpinelinux.org,https://mirrors.aliyun.com,g' /etc/apk/repositories) \
-    && apk add --no-cache bash libstdc++ curl tzdata
+    && apk add --no-cache bash libstdc++ curl tzdata openldap-dev
 
 WORKDIR /usr/local/apisix
 
diff --git a/alpine/Dockerfile b/alpine/Dockerfile
index a41419f..9c52e8d 100644
--- a/alpine/Dockerfile
+++ b/alpine/Dockerfile
@@ -17,6 +17,7 @@
     git \
     pcre \
     pcre-dev \
+    openldap-dev \
     && mkdir ~/.luarocks \
     && luarocks config variables.OPENSSL_LIBDIR /usr/local/openresty/openssl/lib \
     && luarocks config variables.OPENSSL_INCDIR /usr/local/openresty/openssl/include \
@@ -32,7 +33,7 @@
 # add runtime for Apache APISIX
 RUN set -x \
     && (test "${ENABLE_PROXY}" != "true" || /bin/sed -i 's,http://dl-cdn.alpinelinux.org,https://mirrors.aliyun.com,g' /etc/apk/repositories) \
-    && apk add --no-cache bash libstdc++ curl tzdata
+    && apk add --no-cache bash libstdc++ curl tzdata openldap-dev
 
 WORKDIR /usr/local/apisix
 
diff --git a/centos/Dockerfile b/centos/Dockerfile
index e26f8b7..63b6b31 100644
--- a/centos/Dockerfile
+++ b/centos/Dockerfile
@@ -5,7 +5,7 @@
 
 RUN yum -y install yum-utils\
 	&& yum-config-manager --add-repo https://openresty.org/package/centos/openresty.repo \
-	&& yum install -y pcre openresty which tzdata \
+	&& yum install -y pcre openresty which tzdata openldap-devel \
 	&& yum install -y https://github.com/apache/apisix/releases/download/$APISIX_VERSION/apisix-$APISIX_VERSION-0.el7.x86_64.rpm \
 	&& yum clean all \
 	&& sed -i 's/PASS_MAX_DAYS\t99999/PASS_MAX_DAYS\t60/g' /etc/login.defs