Gradle - Publish bom files when 'java-platform' plugin applied

[yahavi]

• All tests passed. If this feature is not already covered by the tests, I added new tests.

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Fix jfrog/jfrog-cli#1496

When the java-platform plugin is applied, add the following publication in CI mode:

publications {
    mavenJavaPlatform(MavenPublication) {
        from components.javaPlatform
    }
}