patch 9.1.0266: filetype: earthfile files are not recognized

Problem:  filetype: earthfile files are not recognized
Solution: Detect 'Earthfile' as earthfile
          (Gaëtan Lehmann)

closes: #14408

Signed-off-by: Gaëtan Lehmann <gaetan.lehmann@gmail.com>
Signed-off-by: Christian Brabandt <cb@256bit.org>
diff --git a/src/version.c b/src/version.c
index b24db2f..f1792f7 100644
--- a/src/version.c
+++ b/src/version.c
@@ -705,6 +705,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    266,
+/**/
     265,
 /**/
     264,