Bump rb_sys from 0.9.124 to 0.9.125 in the bundler-dependencies group

Bumps the bundler-dependencies group with 1 update: [rb_sys](https://github.com/oxidize-rb/rb-sys).


Updates `rb_sys` from 0.9.124 to 0.9.125
- [Release notes](https://github.com/oxidize-rb/rb-sys/releases)
- [Commits](oxidize-rb/rb-sys@v0.9.124...v0.9.125)

---
updated-dependencies:
- dependency-name: rb_sys
  dependency-version: 0.9.125
  dependency-type: direct:production
  update-type: version-update:semver-patch
  dependency-group: bundler-dependencies
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

Gemfile.lock

@@ -25,7 +25,8 @@ GEM
     rake-compiler (1.3.1)
       rake
     rake-compiler-dock (1.11.0)
-    rb_sys (0.9.124)
+    rb_sys (0.9.125)
+      json (>= 2)
       rake-compiler-dock (= 1.11.0)
     regexp_parser (2.11.3)
     rspec (3.13.2)