patch 9.1.1934: filetype: not all starlark files are recognized

Problem:  filetype: not all starlark files are recognized
Solution: Detect *.sky files as starlark filetype (Bruno Belanyi)

References:
- https://docs.bazel.build/versions/0.17.1/skylark/spec.html

closes: #18807

Signed-off-by: Bruno Belanyi <bruno@belanyi.fr>
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:		2025 Nov 11
+# Last Change:		2025 Nov 28
 # Former Maintainer:	Bram Moolenaar <Bram@vim.org>
 
 # These functions are moved here from runtime/filetype.vim to make startup
@@ -2705,6 +2705,7 @@ const ft_from_ext = {
   "nut": "squirrel",
   # Starlark
   "ipd": "starlark",
+  "sky": "starlark",
   "star": "starlark",
   "starlark": "starlark",
   # OpenVPN configuration

src/testdir/test_filetype.vim

@@ -769,7 +769,7 @@ def s:GetFilenameChecks(): dict<list<string>>
     sshconfig: ['ssh_config', '/.ssh/config', '/etc/ssh/ssh_config.d/file.conf', 'any/etc/ssh/ssh_config.d/file.conf', 'any/.ssh/config', 'any/.ssh/file.conf'],
     sshdconfig: ['sshd_config', '/etc/ssh/sshd_config.d/file.conf', 'any/etc/ssh/sshd_config.d/file.conf'],
     st: ['file.st'],
-    starlark: ['file.ipd', 'file.star', 'file.starlark'],
+    starlark: ['file.ipd', 'file.sky', 'file.star', 'file.starlark'],
     stata: ['file.ado', 'file.do', 'file.imata', 'file.mata'],
     stp: ['file.stp'],
     stylus: ['a.styl', 'file.stylus'],

src/version.c

@@ -729,6 +729,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    1934,
 /**/
     1933,
 /**/