Bump artifactory from 3.0.15 to 3.0.17 in /omnibus

Bumps [artifactory](https://github.com/opscode/artifactory-client) from 3.0.15 to 3.0.17.
- [Release notes](https://github.com/opscode/artifactory-client/releases)
- [Changelog](https://github.com/chef/artifactory-client/blob/main/CHANGELOG.md)
- [Commits](chef/artifactory-client@v3.0.15...v3.0.17)

---
updated-dependencies:
- dependency-name: artifactory
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

omnibus/Gemfile.lock

@@ -31,7 +31,7 @@ GEM
   specs:
     addressable (2.8.1)
       public_suffix (>= 2.0.2, < 6.0)
-    artifactory (3.0.15)
+    artifactory (3.0.17)
     ast (2.4.2)
     awesome_print (1.9.2)
     aws-eventstream (1.2.0)