Update CHANGES.md after release

MisterDA · web-flow · commit df76fb0180cb · 2024-08-01T13:46:37.000-03:00
diff --git a/CHANGES.md b/CHANGES.md
@@ -1,4 +1,7 @@
-v8.2.2 2023-07-31 Rochester
+unreleased
+----------
+
+v8.2.2 2024-07-31 Rochester
 ---------------------------
 
 - Added Opam 2.2 (@mtelvers, #215)
