Update logger within UsesSystemProperties.java

protobuf-maven-plugin/src/test/java/io/github/ascopes/protobufmavenplugin/fixtures/UsesSystemProperties.java

@@ -51,7 +51,7 @@
   final class UsesSystemPropertiesExtension
       implements BeforeEachCallback, AfterEachCallback {
 
-    private final Logger log = LoggerFactory.getLogger(Extension.class);
+    private final Logger log = LoggerFactory.getLogger(UsesSystemProperties.class);
     private Properties originalProperties;
 
     @Override