Usages of Apache commons-lang2 are removed for IntelliJ compatibility reasons

[duemir]

According to https://plugins.jetbrains.com/docs/intellij/api-changes-list-2023.html#8c50ccb_40 commons-lang2 and commons-collections libraries are being removed. Usages are replaced with IntelliJ and commons-text alternatives.

Fixes #167

Testing done

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[duemir]

https://ci.jenkins.io/job/Plugins/job/idea-stapler-plugin/job/master/79/ and check artifacts for report.html of the IC-233.9802.14. It is compatible but shows deprecation warnings.
Same report in https://ci.jenkins.io/job/Plugins/job/idea-stapler-plugin/job/PR-168/1/ just says compatible without deprecation warnings.