chore(deps): bump oj from 3.16.11 to 3.17.3 in /images/fluentd/outputs

Bumps [oj](https://github.com/ohler55/oj) from 3.16.11 to 3.17.3.
- [Release notes](https://github.com/ohler55/oj/releases)
- [Changelog](https://github.com/ohler55/oj/blob/develop/CHANGELOG.md)
- [Commits](ohler55/oj@v3.16.11...v3.17.3)

---
updated-dependencies:
- dependency-name: oj
  dependency-version: 3.17.3
  dependency-type: indirect
...

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

Author: dependabot[bot]

images/fluentd/outputs/Gemfile.lock

@@ -341,7 +341,7 @@ GEM
     nokogiri (1.19.3)
       mini_portile2 (~> 2.8.2)
       racc (~> 1.4)
-    oj (3.16.11)
+    oj (3.17.3)
       bigdecimal (>= 3.0)
       ostruct (>= 0.2)
     openid_connect (1.1.8)