lua-openssl: try to fix buildbot

Something is weird there. Can't reproduce on CI or locally.

Signed-off-by: Rosen Penev <rosenp@gmail.com>

lang/lua-openssl/patches/020-no-luajit.patch

@@ -0,0 +1,10 @@
+--- a/CMakeLists.txt
++++ b/CMakeLists.txt
+@@ -8,7 +8,6 @@ option(BUILD_SHARED_LUA_OPENSSL "Shared
+ 
+ include(GNUInstallDirs)
+ 
+-find_package(LuaJIT)
+ if(NOT LUAJIT_FOUND)
+     find_package(Lua REQUIRED)
+ endif()