patch 9.2.0046: filetype: neon files are not recoginzed

Problem:  filetype: neon files are not recoginzed
Solution: Detect *.neon files as neon filetype
          (przepompownia)

Reference:
https://doc.nette.org/en/neon/format
https://github.com/fpob/nette.vim

closes: #19496

Signed-off-by: przepompownia <przepompownia@users.noreply.github.com>
Signed-off-by: Christian Brabandt <cb@256bit.org>

runtime/autoload/dist/ft.vim

@@ -3,7 +3,7 @@ vim9script
 # Vim functions for file type detection
 #
 # Maintainer:		The Vim Project <https://github.com/vim/vim>
-# Last Change:		2026 Feb 19
+# Last Change:		2026 Feb 24
 # Former Maintainer:	Bram Moolenaar <Bram@vim.org>
 
 # These functions are moved here from runtime/filetype.vim to make startup
@@ -2382,6 +2382,8 @@ const ft_from_ext = {
   # N1QL
   "n1ql": "n1ql",
   "nql": "n1ql",
+  # Neon
+  "neon": "neon",
   # NetLinx
   "axs": "netlinx",
   "axi": "netlinx",

src/testdir/test_filetype.vim

@@ -580,6 +580,7 @@ def s:GetFilenameChecks(): dict<list<string>>
     ncf: ['file.ncf'],
     neomuttlog: ['/home/user/.neomuttdebug1'],
     neomuttrc: ['Neomuttrc', '.neomuttrc', '.neomuttrc-file', '/.neomutt/neomuttrc', '/.neomutt/neomuttrc-file', 'Neomuttrc', 'Neomuttrc-file', 'any/.neomutt/neomuttrc', 'any/.neomutt/neomuttrc-file', 'neomuttrc', 'neomuttrc-file' ],
+    neon: ['file.neon'],
     netlinx: ['file.axs', 'file.axi'],
     netrc: ['.netrc'],
     nginx: ['file.nginx', 'nginxfile.conf', 'filenginx.conf', 'any/etc/nginx/file', 'any/usr/local/nginx/conf/file', 'any/nginx/file.conf'],

src/version.c

@@ -734,6 +734,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    46,
 /**/
     45,
 /**/