perf: make the tests work in worktrees

diff --git a/RelNotes b/RelNotes
index 0e72d3b56498d107db87ebd0e4b4c0574b8479c3..66606735cbf4b890b8faf5be7604508bc37c9256 120000 (symlink)
--- a/RelNotes
+++ b/RelNotes
@@ -1 +1 @@
-Documentation/RelNotes/1.9.1.txt
\ No newline at end of file
+Documentation/RelNotes/2.9.0.txt
\ No newline at end of file