lang/jruby: Update to 9.2.17.0

CVEs are fixed at 9.2.15.0.

PR: 253822
Reported by: Thomas Hurst <tom@hur.st>
Relnotes: https://www.jruby.org/2021/03/29/jruby-9-2-17-0.html
Security: CVE-2011-4815
Security: CVE-2017-17742
Security: CVE-2019-16254
Security: CVE-2020-25613
Security: CVE-2017-18640