patch 9.1.0389: filetype: templ files are not recognized

Problem:  filetype: templ files are not recognized
Solution: Detect '*.templ' files as filetype templ
          (Tristan Knight)

See:
- https://github.com/a-h/templ
- https://templ.guide/

closes: #14697

Signed-off-by: tris203 <admin@snappeh.com>
Signed-off-by: Christian Brabandt <cb@256bit.org>

runtime/filetype.vim

@@ -2383,6 +2383,9 @@ au BufNewFile,BufRead *.tcl,*.tm,*.tk,*.itcl,*.itk,*.jacl,.tclshrc,.wishrc,.tcls
 " Xilinx's xsct and xsdb use tcl
 au BufNewFile,BufRead .xsctcmdhistory,.xsdbcmdhistory	setf tcl
 
+" templ 
+au BufNewFile,BufRead *.templ			setf templ
+
 " Teal
 au BufRead,BufNewFile *.tl			setf teal
 

src/testdir/test_filetype.vim

@@ -747,6 +747,7 @@ def s:GetFilenameChecks(): dict<list<string>>
     tcl: ['file.tcl', 'file.tm', 'file.tk', 'file.itcl', 'file.itk', 'file.jacl', '.tclshrc', 'tclsh.rc', '.wishrc', '.tclsh-history', '.xsctcmdhistory', '.xsdbcmdhistory'],
     tablegen: ['file.td'],
     teal: ['file.tl'],
+    templ: ['file.templ'],
     template: ['file.tmpl'],
     teraterm: ['file.ttl'],
     terminfo: ['file.ti'],

src/version.c

@@ -704,6 +704,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    389,
 /**/
     388,
 /**/