vim-patch:9.0.{1419,1421,1422,1423}: some files are not recognized (#22749)

vim-patch:9.0.1419: Lean files are not recognized

Problem:    Lean files are not recognized.
Solution:   Add a pattern for Lean files. (Amaan Qureshi, closes vim/vim#12177)

4a5c39fc52

vim-patch:9.0.1421: Nu files are not recognized

Problem:    Nu files are not recognized.
Solution:   Add a pattern for Nu files. (Amaan Qureshi, closes vim/vim#12172)

8aa2a37f89

vim-patch:9.0.1422: Sage files are not recognized

Problem:    Sage files are not recognized.
Solution:   Add a pattern for Sage files. (Amaan Qureshi, closes vim/vim#12176)

d0639d717b

vim-patch:9.0.1423: WebAssembly Interface Type files are not recognized

Problem:    WebAssembly Interface Type files are not recognized.
Solution:   Add a pattern for WIT files. (Amaan Qureshi, closes vim/vim#12173)

890c772036

runtime/lua/vim/filetype.lua

@@ -593,6 +593,7 @@ local extension = {
   lte = 'latte',
   ld = 'ld',
   ldif = 'ldif',
+  lean = 'lean',
   journal = 'ledger',
   ldg = 'ledger',
   ledger = 'ledger',
@@ -908,6 +909,7 @@ local extension = {
   builder = 'ruby',
   rake = 'ruby',
   rs = 'rust',
+  sage = 'sage',
   sas = 'sas',
   sass = 'sass',
   sa = 'sather',
@@ -1106,6 +1108,7 @@ local extension = {
   wdl = 'wdl',
   wm = 'webmacro',
   wbt = 'winbatch',
+  wit = 'wit',
   wml = 'wml',
   wsml = 'wsml',
   ad = 'xdefaults',
@@ -1543,6 +1546,8 @@ local filename = {
   NEWS = function(path, bufnr)
     return require('vim.filetype.detect').news(bufnr)
   end,
+  ['env.nu'] = 'nu',
+  ['config.nu'] = 'nu',
   ['.ocamlinit'] = 'ocaml',
   ['.octaverc'] = 'octave',
   octaverc = 'octave',

test/old/testdir/test_filetype.vim

@@ -322,6 +322,7 @@ let s:filename_checks = {
     \ 'latte': ['file.latte', 'file.lte'],
     \ 'ld': ['file.ld'],
     \ 'ldif': ['file.ldif'],
+    \ 'lean': ['file.lean'],
     \ 'ledger': ['file.ldg', 'file.ledger', 'file.journal'],
     \ 'less': ['file.less'],
     \ 'lex': ['file.lex', 'file.l', 'file.lxx', 'file.l++'],
@@ -412,6 +413,7 @@ let s:filename_checks = {
     \ 'nqc': ['file.nqc'],
     \ 'nroff': ['file.tr', 'file.nr', 'file.roff', 'file.tmac', 'file.mom', 'tmac.file'],
     \ 'nsis': ['file.nsi', 'file.nsh'],
+    \ 'nu': ['env.nu', 'config.nu'],
     \ 'obj': ['file.obj'],
     \ 'obse': ['file.obl', 'file.obse', 'file.oblivion', 'file.obscript'],
     \ 'ocaml': ['file.ml', 'file.mli', 'file.mll', 'file.mly', '.ocamlinit', 'file.mlt', 'file.mlp', 'file.mlip', 'file.mli.cppo', 'file.ml.cppo'],
@@ -539,6 +541,7 @@ let s:filename_checks = {
     \ 'skill': ['file.il', 'file.ils', 'file.cdf'],
     \ 'cdc': ['file.cdc'],
     \ 'slang': ['file.sl'],
+    \ 'sage': ['file.sage'],
     \ 'slice': ['file.ice'],
     \ 'slpconf': ['/etc/slp.conf', 'any/etc/slp.conf'],
     \ 'slpreg': ['/etc/slp.reg', 'any/etc/slp.reg'],
@@ -661,6 +664,7 @@ let s:filename_checks = {
     \ 'wget': ['.wgetrc', 'wgetrc'],
     \ 'wget2': ['.wget2rc', 'wget2rc'],
     \ 'winbatch': ['file.wbt'],
+    \ 'wit': ['file.wit'],
     \ 'wml': ['file.wml'],
     \ 'wsh': ['file.wsf', 'file.wsc'],
     \ 'wsml': ['file.wsml'],