build(deps): bump the per-dependency group in /bindings/ruby with 2 updates

[dependabot]

Bumps the per-dependency group in /bindings/ruby with 2 updates: minitest and rb_sys.

Updates minitest from 6.0.5 to 6.0.6

Changelog

Sourced from minitest's changelog.

=== 6.0.6 / 2026-04-30

• 2 bug fixes:

  • Fix using assert_equal/same/nil w/ BasicObject by comparing w/ nil == exp. (mtasaka)
  • Removed private Assertions#_where as it is no longer used.

Commits

• f6180b0 prepped for release
• 23bc7f2 - Removed private Assertions#_where as it is no longer used.
• c471347 - Fix using assert_equal/same/nil w/ BasicObject by comparing w/ nil == exp...
• See full diff in compare view

Updates rb_sys from 0.9.127 to 0.9.128

Release notes

Sourced from rb_sys's releases.

v0.9.128

What's Changed

• Fix background color for navbar by @​bangseongbeom in oxidize-rb/rb-sys#738
• Fix docsite mobile layout by @​bangseongbeom in oxidize-rb/rb-sys#739
• chore: bump MSRV 1.71 → 1.75, adopt new APIs by @​ianks in oxidize-rb/rb-sys#740
• fix: Ignored target defined via cargo config file by @​Stranger6667 in oxidize-rb/rb-sys#654
• fix: exclude rb_matchext_struct from opaque list for Ruby 4.1+ by @​ianks in oxidize-rb/rb-sys#741

New Contributors

• @​Stranger6667 made their first contribution in oxidize-rb/rb-sys#654

Full Changelog: oxidize-rb/rb-sys@v0.9.127...v0.9.128

Commits

• 94b205c Bump to v0.9.128
• abec487 fix: exclude rb_matchext_struct from opaque list for Ruby 4.1+ (#741)
• 153e1c3 fix: Ignored target defined via cargo config file
• a334352 chore: bump MSRV 1.71 → 1.75, adopt new APIs (#740)
• 2ade0ba Fix docsite mobile layout (#739)
• e813345 Fix background color for navbar (#738)
• See full diff in compare view

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