vim-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: vim/vim#19751

cc8798e719

Co-authored-by: Furkan Sahin <furkan-dev@proton.me>

runtime/lua/vim/filetype.lua

@@ -2060,6 +2060,7 @@ local pattern = {
     ['/etc/DIR_COLORS$'] = 'dircolors',
     ['/etc/dnsmasq%.conf$'] = 'dnsmasq',
     ['/etc/dnsmasq%.d/'] = starsetf('dnsmasq'),
+    ['/etc/wireguard/.*%.conf$'] = 'dosini',
     ['/etc/yum%.conf$'] = 'dosini',
     ['/etc/yum%.repos%.d/'] = starsetf('dosini'),
     ['/etc/gitconfig%.d/'] = starsetf('gitconfig'),

test/old/testdir/test_filetype.vim

@@ -256,6 +256,7 @@ func s:GetFilenameChecks() abort
     \            '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'] + s:WhenConfigHome('$XDG_CONFIG_HOME/notmuch/myprofile/config'),
     \ 'dot': ['file.dot', 'file.gv'],