patch 8.1.0946: Coveralls is not very useful

Problem:    Coveralls is not very useful.
Solution:   Remove Coveralls badge, add badge for packages.
diff --git a/src/version.c b/src/version.c
index 0d44663..ad062ae 100644
--- a/src/version.c
+++ b/src/version.c
@@ -780,6 +780,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    946,
+/**/
     945,
 /**/
     944,