⬆️ Bump xstream in /others/weixin-java-osgi (binarywang#2280)

Bumps [xstream](https://github.com/x-stream/xstream) from 1.4.17 to 1.4.18.
- [Release notes](https://github.com/x-stream/xstream/releases)
- [Commits](https://github.com/x-stream/xstream/commits)

---
updated-dependencies:
- dependency-name: com.thoughtworks.xstream:xstream
  dependency-type: direct:production
...

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

Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

others/weixin-java-osgi/pom.xml

@@ -28,7 +28,7 @@
     <dependency>
       <groupId>com.thoughtworks.xstream</groupId>
       <artifactId>xstream</artifactId>
-      <version>1.4.17</version>
+      <version>1.4.18</version>
       <scope>provided</scope>
       <exclusions>
         <exclusion>