Bump apache.sshd.version from 2.14.0 to 2.15.0

Bumps `apache.sshd.version` from 2.14.0 to 2.15.0.

Updates `org.apache.sshd:sshd-core` from 2.14.0 to 2.15.0
- [Release notes](https://github.com/apache/mina-sshd/releases)
- [Changelog](https://github.com/apache/mina-sshd/blob/master/CHANGES.md)
- [Commits](apache/mina-sshd@sshd-2.14.0...sshd-2.15.0)

Updates `org.apache.sshd:sshd-sftp` from 2.14.0 to 2.15.0
- [Release notes](https://github.com/apache/mina-sshd/releases)
- [Changelog](https://github.com/apache/mina-sshd/blob/master/CHANGES.md)
- [Commits](apache/mina-sshd@sshd-2.14.0...sshd-2.15.0)

---
updated-dependencies:
- dependency-name: org.apache.sshd:sshd-core
  dependency-type: direct:production
  update-type: version-update:semver-minor
- dependency-name: org.apache.sshd:sshd-sftp
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

pom.xml

@@ -25,7 +25,7 @@
         <maven-release-plugin.version>3.1.1</maven-release-plugin.version>
 
         <gatling.version>3.13.1</gatling.version>
-        <apache.sshd.version>2.14.0</apache.sshd.version>
+        <apache.sshd.version>2.15.0</apache.sshd.version>
         <commons.io.version>2.18.0</commons.io.version>
 
         <sonar.organization>fherbreteau</sonar.organization>