dependency: Upgrade snakeyaml to 1.26 in sentinel-cluster-server-envoy-rls module (#2003)

Signed-off-by: LIU Ming <hit_oak_tree@126.com>

sentinel-cluster/sentinel-cluster-server-envoy-rls/pom.xml

@@ -65,7 +65,7 @@
         <dependency>
             <groupId>org.yaml</groupId>
             <artifactId>snakeyaml</artifactId>
-            <version>1.25</version>
+            <version>1.26</version>
         </dependency>
 
         <dependency>