devel/lua-language-server: Update to 3.18.2

[dave_freedave.net]

Summary

Simple version update, submodules remain identical to 3.17.1

Test Plan

make test

there are still 2 flaky tests I know of but they all passed.

[dave_freedave.net]

poudriere testport -j FreeBSD16 -p local devel/lua-language-server:

lua-language-server-3.18.0,1.log34 KBDownload

[dave_freedave.net]

updated to 3.18.1 before being merged. may as well move to that version even though the change is for lua55 which is not yet in ports.

[dave_freedave.net]

while awaiting merge newer version came out.
re-verified dependencies ; re-tested