Bump com.google.code.gson:gson from 2.11.0 to 2.12.1

Bumps [com.google.code.gson:gson](https://github.com/google/gson) from 2.11.0 to 2.12.1.
- [Release notes](https://github.com/google/gson/releases)
- [Changelog](https://github.com/google/gson/blob/main/CHANGELOG.md)
- [Commits](google/gson@gson-parent-2.11.0...gson-parent-2.12.1)

---
updated-dependencies:
- dependency-name: com.google.code.gson:gson
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

dubbo-extensions-dependencies-bom/pom.xml

@@ -113,7 +113,7 @@
         <fst_version>2.57</fst_version>
         <apache.fury_version>0.9.0</apache.fury_version>
         <jackson_version>2.18.2</jackson_version>
-        <gson_version>2.11.0</gson_version>
+        <gson_version>2.12.1</gson_version>
         <kryo_version>5.6.2</kryo_version>
         <kryo_serializers_version>0.45</kryo_serializers_version>
         <msgpack_version>0.9.9</msgpack_version>

dubbo-serialization-extensions/dubbo-serialization-test/pom.xml

@@ -38,7 +38,7 @@
         <dependency>
             <artifactId>gson</artifactId>
             <groupId>com.google.code.gson</groupId>
-            <version>2.11.0</version>
+            <version>2.12.1</version>
         </dependency>
         <dependency>
             <groupId>org.apache.dubbo</groupId>