chore(deps): bump com.google.guava:guava from 33.5.0-jre to 33.6.0-jre

Bumps [com.google.guava:guava](https://github.com/google/guava) from 33.5.0-jre to 33.6.0-jre.
- [Release notes](https://github.com/google/guava/releases)
- [Commits](https://github.com/google/guava/commits)

---
updated-dependencies:
- dependency-name: com.google.guava:guava
  dependency-version: 33.6.0-jre
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]

agentscope-dependencies-bom/pom.xml

@@ -73,7 +73,7 @@
         <jackson.version>2.21.1</jackson.version>
         <mockito.version>5.23.0</mockito.version>
         <junit-jupiter.version>6.0.2</junit-jupiter.version>
-        <guava.version>33.5.0-jre</guava.version>
+        <guava.version>33.6.0-jre</guava.version>
         <google-genai.version>1.45.0</google-genai.version>
         <dashscope-sdk-java.version>2.22.9</dashscope-sdk-java.version>
         <bailian.version>2.8.2</bailian.version>