Update bundled irb and repl_type_completor version (ruby#15030)

Author: tompng

gems/bundled_gems

@@ -34,14 +34,14 @@ drb                 2.2.3   https://github.com/ruby/drb
 nkf                 0.2.0   https://github.com/ruby/nkf
 syslog              0.3.0   https://github.com/ruby/syslog
 csv                 3.3.5   https://github.com/ruby/csv
-repl_type_completor 0.1.11  https://github.com/ruby/repl_type_completor 25108aa8d69ddaba0b5da3feff1c0035371524b2
+repl_type_completor 0.1.12  https://github.com/ruby/repl_type_completor
 ostruct             0.6.3   https://github.com/ruby/ostruct
 pstore              0.2.0   https://github.com/ruby/pstore
 benchmark           0.5.0   https://github.com/ruby/benchmark
 logger              1.7.0   https://github.com/ruby/logger
 rdoc                6.15.1  https://github.com/ruby/rdoc
 win32ole            1.9.2   https://github.com/ruby/win32ole
-irb                 1.15.2  https://github.com/ruby/irb d43c3d764ae439706aa1b26a3ec299cc45eaed5b
+irb                 1.15.3  https://github.com/ruby/irb
 reline              0.6.2   https://github.com/ruby/reline
 readline            0.0.4   https://github.com/ruby/readline
 fiddle              1.1.8   https://github.com/ruby/fiddle