ci: add label-support to stylua config

Author: chrisgrieser

.stylua.toml

@@ -1,12 +1,11 @@
 # https://github.com/JohnnyMorganz/StyLua#options
 #───────────────────────────────────────────────────────────────────────────────
+syntax = "LuaJIT"  # needed to support `::labels::`
 column_width = 100
 line_endings = "Unix"
 indent_type = "Tabs"
 indent_width = 3
 quote_style = "AutoPreferDouble"
 call_parentheses = "NoSingleTable"
 collapse_simple_statement = "Always"
-
-[sort_requires]
-enabled = true
+sort_requires.enabled = true