Bump webmock from 3.9.3 to 3.9.4

Bumps [webmock](https://github.com/bblimke/webmock) from 3.9.3 to 3.9.4.
- [Release notes](https://github.com/bblimke/webmock/releases)
- [Changelog](https://github.com/bblimke/webmock/blob/master/CHANGELOG.md)
- [Commits](bblimke/webmock@v3.9.3...v3.9.4)

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

Gemfile.lock

@@ -133,7 +133,7 @@ GEM
     unf_ext (0.0.7.7)
     unicode-display_width (1.7.0)
     vcr (6.0.0)
-    webmock (3.9.3)
+    webmock (3.9.4)
       addressable (>= 2.3.6)
       crack (>= 0.3.2)
       hashdiff (>= 0.4.0, < 2.0.0)