chore(deps-dev): bump org.yaml:snakeyaml in /hugegraph-pd/hg-pd-client

Bumps [org.yaml:snakeyaml](https://bitbucket.org/snakeyaml/snakeyaml) from 1.28 to 2.0.
- [Commits](https://bitbucket.org/snakeyaml/snakeyaml/branches/compare/snakeyaml-2.0..snakeyaml-1.28)

---
updated-dependencies:
- dependency-name: org.yaml:snakeyaml
  dependency-type: direct:development
...

Signed-off-by: dependabot[bot] <support@github.com>

hugegraph-pd/hg-pd-client/pom.xml

@@ -66,7 +66,7 @@
         <dependency>
             <groupId>org.yaml</groupId>
             <artifactId>snakeyaml</artifactId>
-            <version>1.28</version>
+            <version>2.0</version>
             <scope>test</scope>
         </dependency>
     </dependencies>