Encrypt build info properties file

[Or-Geva]

• [ ] This pull request is created in the jfrog/jenkins-artifactory-plugin repository.
• [ ] All tests passed. If this feature is not already covered by the tests, I added new tests.

• [ ] All static analysis checks passed.

  Encrypt build info properties file except when gradle uses plugins

Dependence on:

• https://github.com/jfrog/artifactory-gradle-plugin/pull/94
• https://github.com/jfrog/build-info/pull/766
• https://github.com/jfrog/build-info/pull/769
• https://github.com/jfrog/build-info/pull/771