Rename Builder method N() to n()

Author: jee14

models/spring-ai-mistral-ai/src/main/java/org/springframework/ai/mistralai/MistralAiChatOptions.java

@@ -175,7 +175,7 @@ public static MistralAiChatOptions fromOptions(MistralAiChatOptions fromOptions)
 			.stop(fromOptions.getStop())
 			.frequencyPenalty(fromOptions.getFrequencyPenalty())
 			.presencePenalty(fromOptions.getPresencePenalty())
-			.N(fromOptions.getN())
+			.n(fromOptions.getN())
 			.tools(fromOptions.getTools())
 			.toolChoice(fromOptions.getToolChoice())
 			.toolCallbacks(fromOptions.getToolCallbacks())
@@ -489,7 +489,7 @@ public Builder presencePenalty(Double presencePenalty) {
 			return this;
 		}
 
-		public Builder N(Integer n) {
+		public Builder n(Integer n) {
 			this.options.n = n;
 			return this;
 		}

models/spring-ai-mistral-ai/src/test/java/org/springframework/ai/mistralai/MistralAiChatModelObservationIT.java

@@ -76,7 +76,7 @@ void observationForChatOperation() {
 			.topP(1.0)
 			.presencePenalty(0.0)
 			.frequencyPenalty(0.0)
-			.N(2)
+			.n(2)
 			.build();
 
 		Prompt prompt = new Prompt("Why does a raven look like a desk?", options);
@@ -100,7 +100,7 @@ void observationForStreamingChatOperation() {
 			.topP(1.0)
 			.presencePenalty(0.0)
 			.frequencyPenalty(0.0)
-			.N(2)
+			.n(2)
 			.build();
 
 		Prompt prompt = new Prompt("Why does a raven look like a desk?", options);