bump minimum libmongocrypt to 1.20.0

Author: kevinAlbs

src/libmongoc/CMakeLists.txt

@@ -489,10 +489,10 @@ elseif (NOT ENABLE_CLIENT_SIDE_ENCRYPTION STREQUAL OFF)
       find_package (mongocrypt QUIET)
    endif ()
 
-   if (mongocrypt_FOUND AND "${mongocrypt_VERSION}" VERSION_LESS 1.18.0)
+   if (mongocrypt_FOUND AND "${mongocrypt_VERSION}" VERSION_LESS 1.20.0)
       message (STATUS "  libmongocrypt found at ${mongocrypt_DIR}")
       message (STATUS "  libmongocrypt version ${mongocrypt_VERSION} found")
-      message (STATUS "  libmongocrypt version 1.18.0 is required to enable In-Use Encryption Support.")
+      message (STATUS "  libmongocrypt version 1.20.0 is required to enable In-Use Encryption Support.")
       set (REQUIRED_MONGOCRYPT_VERSION_FOUND OFF)
    elseif (mongocrypt_FOUND)
       set (REQUIRED_MONGOCRYPT_VERSION_FOUND ON)