push: change `simple` to accommodate triangular workflows

diff --git a/RelNotes b/RelNotes
index 5fcc4ef74770e8587a1469fff5e3f5610dabf0e1..fce99fb79d16cbeb717ddbe36c7be231a00e4eba 120000 (symlink)
--- a/RelNotes
+++ b/RelNotes
@@ -1 +1 @@
-Documentation/RelNotes/1.7.6.txt
\ No newline at end of file
+Documentation/RelNotes/1.8.4.txt
\ No newline at end of file