bump snakeyaml to 1.33

Author: frantuma

pom.xml

@@ -1205,7 +1205,7 @@
         <jmockit-version>1.42</jmockit-version>
         <reflections-version>0.9.11</reflections-version>
         <jmockit-version>1.42</jmockit-version>
-        <snakeyaml-version>1.30</snakeyaml-version>
+        <snakeyaml-version>1.33</snakeyaml-version>
         <handlebars-version>4.3.0</handlebars-version>
     </properties>
 </project>