patch 9.2.0201: filetype: Wireguard config files not recognized

Problem:  filetype: Wireguard config files not recognized
Solution: Detect /etc/wireguard/*.conf files as dosini filetype
          (Furkan Sahin).

closes: #19751

Signed-off-by: Furkan Sahin <furkan-dev@proton.me>
Signed-off-by: Christian Brabandt <cb@256bit.org>

src/testdir/test_filetype.vim

@@ -256,6 +256,7 @@ def s:GetFilenameChecks(): dict<list<string>>
              'psprint.conf', 'sofficerc', 'any/.config/lxqt/globalkeyshortcuts.conf', 'any/.config/screengrab/screengrab.conf',
              'any/.local/share/flatpak/repo/config',
              '.alsoftrc', 'alsoft.conf', 'alsoft.ini', 'alsoftrc.sample',
+             '/etc/wireguard/wg0.conf',
              '.notmuch-config', '.notmuch-config.myprofile',
              '~/.config/notmuch/myprofile/config'] + WhenConfigHome('$XDG_CONFIG_HOME/notmuch/myprofile/config'),
     dot: ['file.dot', 'file.gv'],

src/version.c

@@ -734,6 +734,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    201,
 /**/
     200,
 /**/