patch 8.2.4816: still using older codecov app in some places of CI

Problem:    Still using older codecov app in some places of CI.
Solution:   Use v3.1.0. (closes #10209)
diff --git a/src/version.c b/src/version.c
index 3dc22d0..57f2e8d 100644
--- a/src/version.c
+++ b/src/version.c
@@ -747,6 +747,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    4816,
+/**/
     4815,
 /**/
     4814,