Fix compilation reference to int4 dot product (#15199)

conflict between #14863 and #15169 that wasn't caught in testing before merge.

Author: mccullocht

lucene/core/src/java/org/apache/lucene/codecs/lucene104/Lucene104ScalarQuantizedVectorScorer.java

@@ -168,7 +168,7 @@ private static float quantizedScore(
         switch (scalarEncoding) {
           case UNSIGNED_BYTE -> VectorUtil.uint8DotProduct(quantizedQuery, quantizedDoc);
           case SEVEN_BIT -> VectorUtil.dotProduct(quantizedQuery, quantizedDoc);
-          case PACKED_NIBBLE -> VectorUtil.int4DotProductPacked(quantizedQuery, quantizedDoc);
+          case PACKED_NIBBLE -> VectorUtil.int4DotProductSinglePacked(quantizedQuery, quantizedDoc);
         };
     OptimizedScalarQuantizer.QuantizationResult indexCorrections =
         targetVectors.getCorrectiveTerms(targetOrd);