vim-patch:9.0.0782: OpenVPN files are not recognized (#20702)

Problem:    OpenVPN files are not recognized.
Solution:   Add patterns for OpenVPN files. (closes vim/vim#11391)
4bf67ec52e

runtime/lua/vim/filetype.lua

@@ -735,6 +735,7 @@ local extension = {
   opam = 'opam',
   ['or'] = 'openroad',
   scad = 'openscad',
+  ovpn = 'openvpn',
   ora = 'ora',
   org = 'org',
   org_archive = 'org',
@@ -2043,6 +2044,7 @@ local pattern = {
   ['.*%.ml%.cppo'] = 'ocaml',
   ['.*%.mli%.cppo'] = 'ocaml',
   ['.*%.opam%.template'] = 'opam',
+  ['.*/openvpn/.*/.*%.conf'] = 'openvpn',
   ['.*%.[Oo][Pp][Ll]'] = 'opl',
   ['.*/etc/pam%.conf'] = 'pamconf',
   ['.*/etc/pam%.d/.*'] = starsetf('pamconf'),