chore(deps): bump io.etcd:jetcd-core from 0.7.7 to 0.8.3

Bumps [io.etcd:jetcd-core](https://github.com/etcd-io/jetcd) from 0.7.7 to 0.8.3.
- [Release notes](https://github.com/etcd-io/jetcd/releases)
- [Changelog](https://github.com/etcd-io/jetcd/blob/main/CHANGELOG.md)
- [Commits](etcd-io/jetcd@jetcd-0.7.7...jetcd-0.8.3)

---
updated-dependencies:
- dependency-name: io.etcd:jetcd-core
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

eventmesh-dashboard-core/pom.xml

@@ -83,7 +83,7 @@
  <dependency>
  <groupId>io.etcd</groupId>
  <artifactId>jetcd-core</artifactId>
- <version>0.7.7</version>
+ <version>0.8.3</version>
  </dependency>
 
  <!-- storage redis client -->