update SnakeYaml to 1.30 to fix YAML parsing bug (#1168)

Author: ddsharpe

pom.xml

@@ -45,7 +45,7 @@
         <weblogic-deploy-installer-name>weblogic-deploy</weblogic-deploy-installer-name>
         <skipTests>false</skipTests>
         <antlr.version>4.9.3</antlr.version>
-        <snakeyaml.version>1.29</snakeyaml.version>
+        <snakeyaml.version>1.30</snakeyaml.version>
 
         <sonar.organization>oracle</sonar.organization>
         <sonar.host.url>https://sonarcloud.io</sonar.host.url>