patch 9.1.0253: filetype: typespec files are not recognized

Problem:  filetype: typespec files are not recognized
Solution: Detect '*.tsp' files as typespec
          (Hilmar Wiegand)

Specs is at https://typespec.io/

closes: #14392

Signed-off-by: Hilmar Wiegand <me@hwgnd.de>
Signed-off-by: Christian Brabandt <cb@256bit.org>

runtime/filetype.vim

@@ -2373,6 +2373,9 @@ au BufNewFile,BufRead *.mts,*.cts		setf typescript
 " TypeScript with React
 au BufNewFile,BufRead *.tsx			setf typescriptreact
 
+" TypeSpec files
+au BufNewFile,BufRead *.tsp			setf typespec
+
 " Motif UIT/UIL files
 au BufNewFile,BufRead *.uit,*.uil		setf uil
 

src/testdir/test_filetype.vim

@@ -756,6 +756,7 @@ def s:GetFilenameChecks(): dict<list<string>>
     typescript: ['file.mts', 'file.cts'],
     'typescript.glimmer': ['file.gts'],
     typescriptreact: ['file.tsx'],
+    typespec: ['file.tsp'],
     ungrammar: ['file.ungram'],
     uc: ['file.uc'],
     udevconf: ['/etc/udev/udev.conf', 'any/etc/udev/udev.conf'],

src/version.c

@@ -704,6 +704,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    253,
 /**/
     252,
 /**/