Bump org.apache.thrift:libthrift from 0.12.0 to 0.21.0

Bumps [org.apache.thrift:libthrift](https://github.com/apache/thrift) from 0.12.0 to 0.21.0.
- [Release notes](https://github.com/apache/thrift/releases)
- [Changelog](https://github.com/apache/thrift/blob/master/CHANGES.md)
- [Commits](apache/thrift@v0.12.0...v0.21.0)

---
updated-dependencies:
- dependency-name: org.apache.thrift:libthrift
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <[email protected]>

dubbo-extensions-dependencies-bom/pom.xml

@@ -101,7 +101,7 @@
         <jsonrpc_version>1.2.0</jsonrpc_version>
         <portlet_version>2.0</portlet_version>
         <xmemcached_version>1.4.3</xmemcached_version>
-        <thrift_version>0.12.0</thrift_version>
+        <thrift_version>0.21.0</thrift_version>
         <jedis_version>5.1.0</jedis_version>
         <embedded_redis_version>0.13.0</embedded_redis_version>
         <commons_lang3_version>3.17.0</commons_lang3_version>