Update Ruby from 2.6.3 to 2.6.5
Update Ruby from 2.6.3 to 2.6.5

This resolves multiple CVEs we should make sure we patch:

    CVE-2019-16255: A code injection vulnerability of Shell#[] and Shell#test
    CVE-2019-16254: HTTP response splitting in WEBrick (Additional fix)
    CVE-2019-15845: A NUL injection vulnerability of File.fnmatch and File.fnmatch?
    CVE-2019-16201: Regular Expression Denial of Service vulnerability of WEBrick’s Digest access authentication
    CVE-2012-6708
    CVE-2015-9251

Signed-off-by: Tim Smith <764ef62106582a09ed09dfa0b6bff7c05fd7d1e4@chef.io>

chef/chef-server,chef/chef-server,chef/chef-server,chef/chef-server,chef/chef-server,chef/chef-server