/usr/share/lua/ is in lua-wsapi 1.6.1-1.
This file is owned by root:root, with mode 0o755.
..
/usr/share/lua/5.1/
/usr/share/lua/5.1/wsapi.lua
/usr/share/lua/5.1/wsapi/
/usr/share/lua/5.1/wsapi/mock.lua
/usr/share/lua/5.1/wsapi/util.lua
/usr/share/lua/5.1/wsapi/cgi.lua
/usr/share/lua/5.1/wsapi/common.lua
/usr/share/lua/5.1/wsapi/ringer.lua
/usr/share/lua/5.1/wsapi/sapi.lua
/usr/share/lua/5.1/wsapi/fastcgi.lua
/usr/share/lua/5.1/wsapi/request.lua
/usr/share/lua/5.1/wsapi/response.lua
/usr/share/lua/5.1/wsapi/xavante.lua
/usr/share/lua/5.2/
/usr/share/lua/5.2/wsapi/
/usr/share/lua/5.2/wsapi.lua
/usr/share/lua/5.2/wsapi/mock.lua
/usr/share/lua/5.2/wsapi/util.lua
/usr/share/lua/5.2/wsapi/cgi.lua
/usr/share/lua/5.2/wsapi/common.lua
/usr/share/lua/5.2/wsapi/ringer.lua
/usr/share/lua/5.2/wsapi/sapi.lua
/usr/share/lua/5.2/wsapi/fastcgi.lua
/usr/share/lua/5.2/wsapi/request.lua
/usr/share/lua/5.2/wsapi/response.lua
/usr/share/lua/5.2/wsapi/xavante.lua