Upgrade snakeyaml version to 1.31

Author: jefftlin

pom.xml

@@ -53,6 +53,7 @@
         <jdk.compile.version>1.8</jdk.compile.version>
         <maven.version>3.3.3</maven.version>
         <gson.version>2.8.5</gson.version>
+        <snakeyaml.version>1.31</snakeyaml.version>
         <fasterxml.jackson.version>2.13.2</fasterxml.jackson.version>
         <math3.version>3.1.1</math3.version>
         <httpclient.version>4.5.4</httpclient.version>
@@ -135,7 +136,11 @@
                 <artifactId>linkis-common</artifactId>
                 <version>${linkis.version}</version>
             </dependency>
-
+            <dependency>
+                <groupId>org.yaml</groupId>
+                <artifactId>snakeyaml</artifactId>
+                <version>${snakeyaml.version}</version>
+            </dependency>
             <dependency>
                 <groupId>org.apache.linkis</groupId>
                 <artifactId>linkis-protocol</artifactId>