Misc: bump version

Author: hhugo

CHANGES.md

@@ -1,14 +1,14 @@
-# Dev (2023-??-??) - ??
+# 5.4.0 (2023-07-06) - Lille
 
 ## Bug fixes
 * Runtime: Fix recursive modules on ocaml < 4.13 (#1485)
 * Runtime: fix hashing of NaN (#1475)
 * Runtime: float rounding should resolve tie away from zero (#1475)
 * Runtime: fix Gc.stat, Gc.quick_stat, Gc.get (#1475)
 * Compiler: fix some miscompilation, probably introduced in jsoo 5.0.0,
-  revealed by OCaml 5.0 ?
+  revealed by OCaml 5.0
 
-# 5.3.0 (2023-??-??) - ??
+# 5.3.0 (2023-06-21) - Lille
 ## Features/Changes
 * Misc: Bump magic number for ocaml 5.1
 * Misc: changes to stay compatible with the next version of ppx_expect

VERSION

@@ -1 +1 @@
-5.3.0
+5.4.0