PHPC-2253: Fix prep_release not including zlib after update

Author: alcaeus

bin/prep-release.php

@@ -55,7 +55,7 @@ function get_files() {
         "src/libmongoc/src/libbson/src/jsonsl/*.{c,h}",
         "src/libmongoc/src/libbson/VERSION*",
         "src/libmongoc/src/libmongoc/src/mongoc/*.{c,def,defs,h,h.in}",
-        "src/libmongoc/src/zlib-1.2.12/*.{c,h,h.in}",
+        "src/libmongoc/src/zlib-1.*/*.{c,h,h.in}",
         "src/libmongoc/VERSION*",
 
         "src/libmongocrypt-compat/*.{c,h}",