fix(deps): update module github.com/sashabaranov/go-openai to v1.15.1 (#984)

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This PR contains the following updates:

| Package | Type | Update | Change |
|---|---|---|---|
|
[github.com/sashabaranov/go-openai](https://togithub.com/sashabaranov/go-openai)
| require | minor | `v1.14.2` -> `v1.15.1` |

---

### Release Notes

<details>
<summary>sashabaranov/go-openai
(github.com/sashabaranov/go-openai)</summary>

###
[`v1.15.1`](https://togithub.com/sashabaranov/go-openai/releases/tag/v1.15.1)

[Compare
Source](https://togithub.com/sashabaranov/go-openai/compare/v1.14.2...v1.15.1)

#### What's Changed

- Chore Deprecate legacy fine tunes API by
[@&#8203;henomis](https://togithub.com/henomis) in
[https://github.com/sashabaranov/go-openai/pull/484](https://togithub.com/sashabaranov/go-openai/pull/484)

**Full Changelog**:
https://github.com/sashabaranov/go-openai/compare/v1.15...v1.15.1

</details>

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go.mod

@@ -26,7 +26,7 @@ require (
 	github.com/otiai10/openaigo v1.6.0
 	github.com/phayes/freeport v0.0.0-20220201140144-74d24b5ae9f5
 	github.com/rs/zerolog v1.30.0
-	github.com/sashabaranov/go-openai v1.14.2
+	github.com/sashabaranov/go-openai v1.15.1
 	github.com/tmc/langchaingo v0.0.0-20230829032728-c85d3967da08
 	github.com/urfave/cli/v2 v2.25.7
 	github.com/valyala/fasthttp v1.49.0

go.sum

@@ -186,6 +186,8 @@ github.com/russross/blackfriday/v2 v2.1.0 h1:JIOH55/0cWyOuilr9/qlrm0BSXldqnqwMsf
 github.com/russross/blackfriday/v2 v2.1.0/go.mod h1:+Rmxgy9KzJVeS9/2gXHxylqXiyQDYRxCVz55jmeOWTM=
 github.com/sashabaranov/go-openai v1.14.2 h1:5DPTtR9JBjKPJS008/A409I5ntFhUPPGCmaAihcPRyo=
 github.com/sashabaranov/go-openai v1.14.2/go.mod h1:lj5b/K+zjTSFxVLijLSTDZuP7adOgerWeFyZLUhAKRg=
+github.com/sashabaranov/go-openai v1.15.1 h1:BAV5LCVEzvZ3rN/Lh5NRVs2z6AahPt/jn5s2/cEEG0M=
+github.com/sashabaranov/go-openai v1.15.1/go.mod h1:lj5b/K+zjTSFxVLijLSTDZuP7adOgerWeFyZLUhAKRg=
 github.com/shirou/gopsutil/v3 v3.23.6 h1:5y46WPI9QBKBbK7EEccUPNXpJpNrvPuTD0O2zHEHT08=
 github.com/shirou/gopsutil/v3 v3.23.6/go.mod h1:j7QX50DrXYggrpN30W0Mo+I4/8U2UUIQrnrhqUeWrAU=
 github.com/shirou/gopsutil/v3 v3.23.7 h1:C+fHO8hfIppoJ1WdsVm1RoI0RwXoNdfTK7yWXV0wVj4=