Refine ParameterizedPreparedStatementSetter nullability

This commit refines ParameterizedPreparedStatementSetter nullability
to ensure consistency with JdbcTemplate#batchUpdate.

Closes gh-35749

spring-jdbc/src/main/java/org/springframework/jdbc/core/ParameterizedPreparedStatementSetter.java

@@ -19,8 +19,6 @@ package org.springframework.jdbc.core;
 import java.sql.PreparedStatement;
 import java.sql.SQLException;
 
-import org.jspecify.annotations.Nullable;
-
 /**
  * Parameterized callback interface used by the {@link JdbcTemplate} class for
  * batch updates.
@@ -49,6 +47,6 @@ public interface ParameterizedPreparedStatementSetter<T> {
 	 * @param argument the object containing the values to be set
 	 * @throws SQLException if an SQLException is encountered (i.e. there is no need to catch SQLException)
 	 */
-	void setValues(PreparedStatement ps, @Nullable T argument) throws SQLException;
+	void setValues(PreparedStatement ps, T argument) throws SQLException;
 
 }