version up: proxysql 2.3.2

The added zlib dependency is for the bundled prometheus-cpp, else:

CMake Error at .../cmake-3.18/.../share/cmake-3.18/Modules/FindPackageHandleStandardArgs.cmake:165 (message):
  Could NOT find ZLIB (missing: ZLIB_LIBRARY ZLIB_INCLUDE_DIR)
Call Stack (most recent call first):
  .../cmake-3.18/.../share/cmake-3.18/Modules/FindPackageHandleStandardArgs.cmake:458 (_FPHSA_FAILURE_MESSAGE)
  .../cmake-3.18/.../share/cmake-3.18/Modules/FindZLIB.cmake:115 (FIND_PACKAGE_HANDLE_STANDARD_ARGS)
  pull/CMakeLists.txt:9 (find_package)

component/proxysql/buildout.cfg

@@ -24,9 +24,9 @@ parts =
 [proxysql]
 recipe = slapos.recipe.cmmi
 shared = true
-version = v2.0.12
+version = v2.3.2
 url = https://github.com/sysown/proxysql/archive/${:version}.tar.gz
-md5sum = 70ec17fe73703a25730fdd44b6bc3ef5
+md5sum = 969129ac43c9f64641509891a116e0e1
 configure-command = true
 make-options = GIT_VERSION=${:version}
 # The install target does not honor DESTDIR:
@@ -40,7 +40,7 @@ environment =
   CXXFLAGS=-I${openssl:location}/include -I${gnutls:location}/include -I${zlib:location}/include
   CFLAGS=-I${gnutls:location}/include
   LDFLAGS=-L${openssl:location}/lib -Wl,-rpath -Wl,${gnutls:location}/lib -L${gnutls:location}/lib -Wl,-rpath=${curl:location}/lib -L${libtool:location}/lib -L${zlib:location}/lib -Wl,-rpath -Wl,${zlib:location}/lib -L${curl:location}/lib -L${pcre:location}/lib -L${jemalloc:location}/lib -L${libmicrohttpd:location}/lib
-  CMAKE_INCLUDE_PATH=${openssl:location}/include:${gnutls:location}/include:${curl:location}/include:${pcre:location}/include:${jemalloc:location}/include:${libmicrohttpd:location}/include
-  CMAKE_LIBRARY_PATH=${openssl:location}/lib:${gnutls:location}/lib:${curl:location}/lib:${pcre:location}/lib:${jemalloc:location}/lib:${libmicrohttpd:location}/lib
+  CMAKE_INCLUDE_PATH=${openssl:location}/include:${gnutls:location}/include:${curl:location}/include:${pcre:location}/include:${jemalloc:location}/include:${libmicrohttpd:location}/include:${zlib:location}/include
+  CMAKE_LIBRARY_PATH=${openssl:location}/lib:${gnutls:location}/lib:${curl:location}/lib:${pcre:location}/lib:${jemalloc:location}/lib:${libmicrohttpd:location}/lib:${zlib:location}/lib
   LIBTOOL=libtool
   ACLOCAL_PATH=${pkgconfig:location}/share/aclocal:${libtool:location}/share/aclocal