Bump version to trigger a (--draft) release

Change-Id: I9af3d067d37b00ee50b9afac249bdb3aafb1815f
diff --git a/VERSION b/VERSION
index cb7d6ee..ea2dee2 100644
--- a/VERSION
+++ b/VERSION
@@ -1 +1 @@
-1.8.25
\ No newline at end of file
+1.8.26