refactor: up the sentence transformers all-mpnet-base model to V2

Author: bsbodden

redis-om-spring/src/main/java/com/redis/om/spring/RedisOMSpringProperties.java

@@ -57,7 +57,7 @@ public static class Djl {
         @NotNull
         private String sentenceTokenizerModelMaxLength = "768";
         @NotNull
-        private String sentenceTokenizerModel = "sentence-transformers/all-mpnet-base-v1";
+        private String sentenceTokenizerModel = "sentence-transformers/all-mpnet-base-v2";
 
         // face detection
         @NotNull