Bump org.apache.sshd:sshd-core from 1.2.0 to 2.7.0 in /core-plugins

Bumps [org.apache.sshd:sshd-core](https://github.com/apache/mina-sshd) from 1.2.0 to 2.7.0.
- [Changelog](https://github.com/apache/mina-sshd/blob/master/CHANGES.md)
- [Commits](apache/mina-sshd@sshd-1.2.0...sshd-2.7.0)

---
updated-dependencies:
- dependency-name: org.apache.sshd:sshd-core
  dependency-type: direct:development
...

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

core-plugins/pom.xml

@@ -187,7 +187,7 @@
       <scope>test</scope>
       <groupId>org.apache.sshd</groupId>
       <artifactId>sshd-core</artifactId>
-      <version>1.2.0</version>
+      <version>2.7.0</version>
     </dependency>
     <dependency>
       <groupId>org.apache.hive</groupId>