Update changelog for v0.5.13

CHANGELOG.md

@@ -1,4 +1,4 @@
-# 0.5.12 - February 19, 2024
+# 0.5.13 - February 19, 2024
 
 This is a hotfix for the Reaticulate 0.5 series.
 
@@ -7,6 +7,8 @@ This is a hotfix for the Reaticulate 0.5 series.
 * Fixed bug where quickly double-running the "Activate articulation slot number by CC on default channel" was not inserting the articulation in the current MIDI item
 * Fixed another crash that could occur with some malformed/invalid banks
 
+(Note: 0.5.12 was discarded due to an improper build process.)
+
 
 # 0.5.11 - September 27, 2023