Fix typo in HttpHeadersAssert#doesNotContainHeaders

This commit deprecates the existing doesNotContainsHeaders in favor of a
newly introduced method that does not have the typo.

Closes gh-34263

spring-test/src/main/java/org/springframework/test/http/HttpHeadersAssert.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2002-2024 the original author or authors.
+ * Copyright 2002-2025 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -78,8 +78,21 @@ public class HttpHeadersAssert extends AbstractMapAssert<HttpHeadersAssert, Http
 	 * Verify that the actual HTTP headers do not contain any of the headers
 	 * with the given {@code names}.
 	 * @param names the names of HTTP headers that should not be present
+	 * @since 6.2.2
 	 * @see #doesNotContainKeys
 	 */
+	public HttpHeadersAssert doesNotContainHeaders(String... names) {
+		return doesNotContainKeys(names);
+	}
+
+	/**
+	 * Verify that the actual HTTP headers do not contain any of the headers
+	 * with the given {@code names}.
+	 * @param names the names of HTTP headers that should not be present
+	 * @see #doesNotContainKeys
+	 * @deprecated in favor of {@link #doesNotContainHeaders(String...)}
+	 */
+	@Deprecated(since = "6.2.2", forRemoval = true)
 	public HttpHeadersAssert doesNotContainsHeaders(String... names) {
 		return doesNotContainKeys(names);
 	}