Document that @Sql requires spring-jdbc & spring-tx on the classpath

Closes gh-30280

spring-test/src/main/java/org/springframework/test/context/jdbc/Sql.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2002-2022 the original author or authors.
+ * Copyright 2002-2023 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.
@@ -57,6 +57,9 @@ import org.springframework.core.annotation.AliasFor;
  * {@link org.springframework.test.context.NestedTestConfiguration @NestedTestConfiguration}
  * for details.
  *
+ * <p>Use of this annotation requires that that the {@code spring-jdbc} and
+ * {@code spring-tx} modules be present in the classpath.
+ *
  * @author Sam Brannen
  * @since 4.1
  * @see SqlConfig

spring-test/src/main/java/org/springframework/test/context/jdbc/SqlScriptsTestExecutionListener.java

@@ -92,6 +92,10 @@ import static org.springframework.util.ResourceUtils.CLASSPATH_URL_PREFIX;
  * on permissible configuration constellations and on the algorithms used to
  * locate these beans.
  *
+ * <h3>Required Dependencies</h3>
+ * <p>Use of this listener requires that that the {@code spring-jdbc} and
+ * {@code spring-tx} modules be present in the classpath.
+ *
  * @author Sam Brannen
  * @author Dmitry Semukhin
  * @since 4.1