[JENKINS-19445, JENKINS-34213, JENKINS-34808, JENKINS-34121] Bump remoting to 2.59. (#2344)
[JENKINS-19445, JENKINS-34213, JENKINS-34808, JENKINS-34121] Bump remoting to 2.59. (#2344)

* [JENKINS-19445, JENKINS-34213, JENKINS-34808] Bump remoting to 2.58.

Changes:
* [JENKINS-34213](https://issues.jenkins-ci.org/browse/JENKINS-34213) - Ensure that the unexporter cleans up whatever it can each sweep (https://github.com/jenkinsci/remoting/pull/81)
* [JENKINS-19445](https://issues.jenkins-ci.org/browse/JENKINS-19445) Force class load on UserRequest in order to prevent deadlock on windows nodes when using JNA and Subversion (https://github.com/jenkinsci/remoting/pull/81)
* [JENKINS-34808](https://issues.jenkins-ci.org/browse/JENKINS-34808) - Allow user to adjust socket timeout (https://github.com/jenkinsci/remoting/pull/68)

* [JENKINS-34121] - Upgrade remoting to 2.59

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