jruby: 9.1.13.0 -> 9.1.16.0

Semi-automatic update. These checks were performed:

- built on NixOS
- ran `/nix/store/yxs5d6pasfvp6000pm1sqhj89iirj3mv-jruby-9.1.16.0/bin/jruby -h` got 0 exit code
- ran `/nix/store/yxs5d6pasfvp6000pm1sqhj89iirj3mv-jruby-9.1.16.0/bin/jruby --help` got 0 exit code
- ran `/nix/store/yxs5d6pasfvp6000pm1sqhj89iirj3mv-jruby-9.1.16.0/bin/jruby -v` and found version 9.1.16.0
- ran `/nix/store/yxs5d6pasfvp6000pm1sqhj89iirj3mv-jruby-9.1.16.0/bin/jruby --version` and found version 9.1.16.0
- ran `/nix/store/yxs5d6pasfvp6000pm1sqhj89iirj3mv-jruby-9.1.16.0/bin/jruby.bash -h` got 0 exit code
- ran `/nix/store/yxs5d6pasfvp6000pm1sqhj89iirj3mv-jruby-9.1.16.0/bin/jruby.bash --help` got 0 exit code
- ran `/nix/store/yxs5d6pasfvp6000pm1sqhj89iirj3mv-jruby-9.1.16.0/bin/jruby.bash -v` and found version 9.1.16.0
- ran `/nix/store/yxs5d6pasfvp6000pm1sqhj89iirj3mv-jruby-9.1.16.0/bin/jruby.bash --version` and found version 9.1.16.0
- found 9.1.16.0 with grep in /nix/store/yxs5d6pasfvp6000pm1sqhj89iirj3mv-jruby-9.1.16.0