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] <[email protected]>

omnibus/Gemfile.lock

@@ -31,7 +31,7 @@ GEM
   specs:
     addressable (2.8.6)
       public_suffix (>= 2.0.2, < 6.0)
-    artifactory (3.0.15)
+    artifactory (3.0.17)
     awesome_print (1.9.2)
     aws-eventstream (1.3.0)
     aws-partitions (1.888.0)
@@ -52,7 +52,6 @@ GEM
       aws-sigv4 (~> 1.1)
     aws-sigv4 (1.8.0)
       aws-eventstream (~> 1, >= 1.0.2)
-    base64 (0.2.0)
     bcrypt_pbkdf (1.1.0)
     berkshelf (8.0.9)
       chef (>= 15.7.32)
@@ -377,7 +376,6 @@ GEM
       rspec-support (~> 3.12.0)
     rspec-support (3.12.2)
     ruby-progressbar (1.13.0)
-    ruby2_keywords (0.0.5)
     rubyntlm (0.6.3)
     rubyzip (2.3.2)
     sawyer (0.9.2)
@@ -450,6 +448,7 @@ GEM
       strings (~> 0.2.0)
       tty-screen (~> 0.8)
     unf_ext (0.0.8.2)
+    unf_ext (0.0.8.2-x64-mingw-ucrt)
     unicode-display_width (2.5.0)
     unicode_utils (1.4.0)
     uri (0.13.0)