patch 8.0.0363: Travis is too slow to keep up with patches

Problem:    Travis is too slow to keep up with patches.
Solution:   Increase git depth to 20
diff --git a/src/version.c b/src/version.c
index 4df3c3f..6b2a9f1 100644
--- a/src/version.c
+++ b/src/version.c
@@ -765,6 +765,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    363,
+/**/
     362,
 /**/
     361,