Move CHANGES entry to correct version.

Author: jpountz

lucene/CHANGES.txt

@@ -9,9 +9,6 @@ API Changes
 ---------------------
 * GITHUB#11023: Removing deprecated parameters from CheckIndex. (Jakub Slowinski)
 
-* GITHUB#13957: Removed LeafSimScorer class, to save its overhead. Scorers now
-  compute scores directly from a SimScorer, postings and norms. (Adrien Grand)
-
 New Features
 ---------------------
 (No changes)
@@ -41,6 +38,8 @@ API Changes
 
 * GITHUB#13950: Make BooleanQuery#getClauses public and add #add(Collection<BooleanClause>) to BQ builder. (Shubham Chaudhary)
 
+* GITHUB#13957: Removed LeafSimScorer class, to save its overhead. Scorers now
+  compute scores directly from a SimScorer, postings and norms. (Adrien Grand)
 
 New Features
 ---------------------