chore(deps): bump github.com/sashabaranov/go-openai from 1.19.4 to 1.38.1 (#47)

* chore(deps): bump github.com/sashabaranov/go-openai

Bumps [github.com/sashabaranov/go-openai](https://github.com/sashabaranov/go-openai) from 1.19.4 to 1.38.1.
- [Release notes](https://github.com/sashabaranov/go-openai/releases)
- [Commits](https://github.com/sashabaranov/go-openai/compare/v1.19.4...v1.38.1)

---
updated-dependencies:
- dependency-name: github.com/sashabaranov/go-openai
  dependency-version: 1.38.1
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

* chore: minor adaptations

Signed-off-by: Ettore Di Giacinto <mudler@localai.io>

---------

Signed-off-by: dependabot[bot] <support@github.com>
Signed-off-by: Ettore Di Giacinto <mudler@localai.io>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
Co-authored-by: Ettore Di Giacinto <mudler@localai.io>

go.mod

@@ -19,7 +19,7 @@ require (
 	github.com/onsi/ginkgo/v2 v2.23.4
 	github.com/onsi/gomega v1.37.0
 	github.com/philippgille/chromem-go v0.7.0
-	github.com/sashabaranov/go-openai v1.19.4
+	github.com/sashabaranov/go-openai v1.38.1
 	github.com/slack-go/slack v0.16.0
 	github.com/thoj/go-ircevent v0.0.0-20210723090443-73e444401d64
 	github.com/tmc/langchaingo v0.1.13