[JENKINS-46282] - Update WinSW from 2.1.0 to 2.1.2 (#2987)

* [JENKINS-46282] - Update WinSW from 2.1.0 to 2.1.2

Fixes [JENKINS-46282](https://issues.jenkins-ci.org/browse/JENKINS-46282), which impacts the default installation.
Also updates Parent POM in the module

Full list of fixes:

- JENKINS-46282 - Runaway Process Killer extension was not using the stopTimeoutMs parameter
- [WinSW Issue #206](https://github.com/kohsuke/winsw/issues/206) - Prevent printing of log entries in the `status` command
- [WinSW Issue #218](https://github.com/kohsuke/winsw/issues/218) - Prevent hanging of the stop executable when its logs are not being drained do the parent process

Full Diff: https://github.com/kohsuke/winsw/compare/winsw-v2.1.0...winsw-v2.1.2

* [JENKINS-46282] - Pick the released version of Windows Agent Installer

(cherry picked from commit 100202cf)