Use parent pom 4.66

https://github.com/jenkinsci/plugin-pom/releases/tag/plugin-4.66

Show docs on plugins site

https://plugins.jenkins.io/xshell/ was not showing plugin documentation

Require Jenkins 2.375.4 or newer

https://www.jenkins.io/doc/developer/plugin-development/choosing-jenkins-baseline/

Require Java 11

Require Jenkins 2.361.4 or newer.

https://www.jenkins.io/doc/developer/plugin-development/choosing-jenkins-baseline/
offers Jenkins 2.361.4 as one of the recommended versions.

Java 11 or newer is required for Jenkins 2.361.4 and for the most recent
releases of the parent pom.

Disable artifact caching proxy

Unreliable on Azure and more frequently used in other plugins

Add cd workflow

[maven-release-plugin] copy for tag xshell-0.10

[maven-release-plugin] copy for tag xshell-0.9

[maven-release-plugin] copy for tag xshell-0.8

[maven-scm] copy for tag xshell-0.7