patch 8.2.0071: memory test often fails on Cirrus CI

Problem:    Memory test often fails on Cirrus CI.
Solution:   Allow for more tolerance in the upper limit.  Remove sleep.
diff --git a/src/version.c b/src/version.c
index 58211bc..78af80d 100644
--- a/src/version.c
+++ b/src/version.c
@@ -743,6 +743,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    71,
+/**/
     70,
 /**/
     69,