Revert snakeyaml to version 2.3 to avoid Java 8 dependency

Author: rakillen

.github/dependabot.yml

@@ -23,3 +23,7 @@ updates:
       - dependency-name: org.python:jython
         versions:
           - ">2.2.1"
+      # Ignore newer versions of SnakeYAML that require JDK 8
+      - dependency-name: org.yaml:snakeyaml
+        versions:
+          - ">=2.4"

pom.xml

@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <!--
-    Copyright (c) 2017, 2024, Oracle and/or its affiliates.
+    Copyright (c) 2017, 2025, Oracle and/or its affiliates.
     Licensed under the Universal Permissive License v1.0 as shown at https://oss.oracle.com/licenses/upl.
 -->
 <project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
@@ -38,7 +38,7 @@
         <weblogic-deploy-installer-name>weblogic-deploy</weblogic-deploy-installer-name>
         <skipTests>false</skipTests>
         <antlr.version>4.9.3</antlr.version>
-        <snakeyaml.version>2.4</snakeyaml.version>
+        <snakeyaml.version>2.3</snakeyaml.version>  <!-- 2.4 requires JDK 8 -->
         <picocli.version>4.7.7</picocli.version>
         <sshj.version>0.40.0</sshj.version>
         <slf4j.version>2.0.17</slf4j.version>