Ruby

Remove discard qualifiers warning with C23 strchr

C23 has qualifier-preserving standard library functions, so calling
strchr with a const char * will return a const char *. We can change
the type of the local variables because we don't mutate the strings.

Bump the github-actions group across 1 directory with 2 updates

Bumps the github-actions group with 2 updates in the / directory: ruby/setup-ruby and taiki-e/install-action....

Make rb_enc_str_coderange inlinable by default

This is a generalization of the optimization done in re.c
as part of d0fbdb005cecd8513aeacb234365d71f9a9b521e.

Code that deal with coderange can benefit significantly from
avoiding that function call, assuming coderange is often already...

• iseq.c: fix passing frozen option to compile_file_prism

Update default gems list at 8b77fda2aefd88031aabc23e332f27 [ci skip]

[ruby/erb] Version 6.0.4

https://github.com/ruby/erb/commit/4d2b45e140

[ruby/erb] Prohibit def_method on marshal-loaded ERB instances

Extends the @_init guard to def_method so that an ERB object created
via Marshal.load (which bypasses initialize) raises ArgumentError
instead of evaluating arbitrary source. def_module and def_class both...

class.c: Make cvc_tbl a managed object

[Bug #21952]

Solves the double-free or use after-free concern with boxes.
Now entries can safely be used for copy-on-write.

Also is likely necessary to make it save to read cvar from
secondary ractors, as allowed since: ab32c0e690b805cdaaf264ad4c3421696c588204

Update bundled gems list as of 2026-04-21

Bump dependabot/fetch-metadata

Bumps the github-actions group with 1 update in the / directory: dependabot/fetch-metadata.

Updates dependabot/fetch-metadata from 3.0.0 to 3.1.0

• Release notes...