Minor version updates

Author: lwjglgamedev

bookcontents/chapter-01/chapter-01.md

@@ -10,8 +10,8 @@ You will see something similar in any other application independently of the spe
 
 The base requirements to run the samples of this book are:
 
-- [Java version 15](https://jdk.java.net/15/) or higher.
-- Maven 3.6.X or higher to build the samples.
+- [Java version 17](https://jdk.java.net/17/) or higher.
+- Maven 3.9.X or higher to build the samples.
   Building the samples with maven will create a jar file, under the target folder, and the required folders with the dependencies and the resources.
   You can execute them from the command line just by using `java -jar <name_of_the_sample.jar>`.
 - Using an IDE is optional.

bookcontents/chapter-02/chapter-02.md

@@ -26,7 +26,7 @@ So let's start by coding the constructor, which starts like this:
 public class Instance {
     ...
     public Instance(boolean validate) {
-        LOGGER.debug("Creating Vulkan instance");
+        Logger.debug("Creating Vulkan instance");
         try (MemoryStack stack = MemoryStack.stackPush()) {
             ...
         }