patch 9.0.1918: No filetype detection for Authzed filetypes

Problem:  No filetype detection for Authzed filetypes
Solution: Detect the *.zed file extension as authzed filetype

closes: #13129

Signed-off-by: Christian Brabandt <cb@256bit.org>
Co-authored-by: Matt Polzin <mpolzin@workwithopal.com>

runtime/filetype.vim

@@ -184,6 +184,9 @@ au BufNewFile,BufRead *.atl,*.as		setf atlas
 " Atom is based on XML
 au BufNewFile,BufRead *.atom			setf xml
 
+" Authzed
+au BufNewFile,BufRead *.zed			setf authzed
+
 " Autoit v3
 au BufNewFile,BufRead *.au3			setf autoit
 

src/testdir/test_filetype.vim

@@ -107,6 +107,7 @@ def s:GetFilenameChecks(): dict<list<string>>
     asterisk: ['asterisk/file.conf', 'asterisk/file.conf-file', 'some-asterisk/file.conf', 'some-asterisk/file.conf-file'],
     astro: ['file.astro'],
     atlas: ['file.atl', 'file.as'],
+    authzed: ['schema.zed'],
     autohotkey: ['file.ahk'],
     autoit: ['file.au3'],
     automake: ['GNUmakefile.am', 'makefile.am', 'Makefile.am'],

src/version.c

@@ -699,6 +699,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    1918,
 /**/
     1917,
 /**/