Bump executable-war from 1.45 to 2.0 (#5706)

Bumps [executable-war](https://github.com/jenkinsci/extras-executable-war) from 1.45 to 2.0.
- [Release notes](https://github.com/jenkinsci/extras-executable-war/releases)
- [Changelog](https://github.com/jenkinsci/extras-executable-war/blob/master/CHANGELOG.md)
- [Commits](https://github.com/jenkinsci/extras-executable-war/compare/executable-war-1.45...executable-war-2.0

)

---
updated-dependencies:
- dependency-name: org.jenkins-ci:executable-war
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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