Build(deps): Bump onebox from 1.9.24 to 1.9.25 (#8707)

Bumps [onebox](https://github.com/discourse/onebox) from 1.9.24 to 1.9.25.
- [Release notes](https://github.com/discourse/onebox/releases)
- [Changelog](https://github.com/discourse/onebox/blob/master/CHANGELOG.md)
- [Commits](https://github.com/discourse/onebox/commits)

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

Gemfile.lock

@@ -91,7 +91,7 @@ GEM
     cppjieba_rb (0.3.3)
     crack (0.4.3)
       safe_yaml (~> 1.0.0)
-    crass (1.0.5)
+    crass (1.0.6)
     css_parser (1.7.1)
       addressable
     debug_inspector (0.0.3)
@@ -243,7 +243,8 @@ GEM
     omniauth-twitter (1.4.0)
       omniauth-oauth (~> 1.1)
       rack
-    onebox (1.9.24)
+    onebox (1.9.25)
+      addressable (~> 2.7.0)
       htmlentities (~> 4.3)
       multi_json (~> 1.11)
       mustache