vim-patch:9.0.1337: yuck files are not recognized (#22358)

Problem:    Yuck files are not recognized.
Solution:   Add a filetype pattern for yuck files. (Amaan Qureshi,
            closes vim/vim#12033)

cfce5cf542

Co-authored-by: Amaan Qureshi <amaanq12@gmail.com>

runtime/lua/vim/filetype.lua

@@ -1131,6 +1131,7 @@ local extension = {
   yml = 'yaml',
   yaml = 'yaml',
   yang = 'yang',
+  yuck = 'yuck',
   ['z8a'] = 'z8a',
   zig = 'zig',
   zir = 'zir',