Update bundled gems list as of 2025-10-31

Author: matzbot

NEWS.md

@@ -161,7 +161,7 @@ The following bundled gems are promoted from default gems.
 * pstore 0.2.0
 * benchmark 0.5.0
 * logger 1.7.0
-* rdoc 6.15.0
+* rdoc 6.15.1
 * win32ole 1.9.2
 * irb 1.15.2
 * reline 0.6.2

gems/bundled_gems

@@ -39,7 +39,7 @@ 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                6.15.0  https://github.com/ruby/rdoc ac2a6fbf62b584a8325a665a9e7b368388bc7df6
+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
 reline              0.6.2   https://github.com/ruby/reline