Update base requirements for merlin 23.04

oliverholworthy · karlhigley · commit a00df71b5edd · 2023-04-25T16:01:11.000-04:00
diff --git a/requirements/base.txt b/requirements/base.txt
@@ -1 +1 @@
-merlin-core>=0.8.0
+merlin-core>=23.4.0
