patch 8.1.0131: :profdel is not tested

Problem:    :profdel is not tested.
Solution:   Add a test. (Dominique Pelle, closes #3123)
diff --git a/src/version.c b/src/version.c
index bc3d06a..0efebc6 100644
--- a/src/version.c
+++ b/src/version.c
@@ -790,6 +790,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    131,
+/**/
     130,
 /**/
     129,