chore(deps): bump ruby-openai from 7.3.1 to 8.3.0

Bumps [ruby-openai](https://github.com/alexrudall/ruby-openai) from 7.3.1 to 8.3.0.
- [Release notes](https://github.com/alexrudall/ruby-openai/releases)
- [Changelog](https://github.com/alexrudall/ruby-openai/blob/main/CHANGELOG.md)
- [Commits](alexrudall/ruby-openai@v7.3.1...v8.3.0)

---
updated-dependencies:
- dependency-name: ruby-openai
  dependency-version: 8.3.0
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

Author: dependabot[bot]

Gemfile.lock

@@ -250,7 +250,7 @@ GEM
       faraday-net_http (>= 2.0, < 3.5)
       json
       logger
-    faraday-multipart (1.1.0)
+    faraday-multipart (1.2.0)
       multipart-post (~> 2.0)
     faraday-net_http (3.4.2)
       net-http (~> 0.5)
@@ -605,7 +605,7 @@ GEM
       rubocop (>= 1.75.0, < 2.0)
       rubocop-ast (>= 1.44.0, < 2.0)
     ruby-oembed (0.18.1)
-    ruby-openai (7.3.1)
+    ruby-openai (8.3.0)
       event_stream_parser (>= 0.3.0, < 2.0.0)
       faraday (>= 1)
       faraday-multipart (>= 1)