Bump script-security from 1.77 to 1.78 (#5649)

Bumps [script-security](https://github.com/jenkinsci/script-security-plugin) from 1.77 to 1.78.
- [Release notes](https://github.com/jenkinsci/script-security-plugin/releases)
- [Changelog](https://github.com/jenkinsci/script-security-plugin/blob/master/CHANGELOG.md)
- [Commits](https://github.com/jenkinsci/script-security-plugin/compare/script-security-1.77...script-security-1.78

)

---
updated-dependencies:
- dependency-name: org.jenkins-ci.plugins:script-security
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>

Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>