patch 9.1.0390: filetype: inko files are not recognized

Problem:  filetype: inko files are not recognized
Solution: Detect '*.inko' as ink filetype
          (Yorick Peterse)

See:
- https://github.com/inko-lang/inko.vim
- https://inko-lang.org/

closes: #14699

Signed-off-by: Yorick Peterse <git@yorickpeterse.com>
Signed-off-by: Christian Brabandt <cb@256bit.org>
diff --git a/src/version.c b/src/version.c
index da56ffc..46d9c1a 100644
--- a/src/version.c
+++ b/src/version.c
@@ -705,6 +705,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    390,
+/**/
     389,
 /**/
     388,