Bump github.com/sashabaranov/go-openai from 1.15.1 to 1.15.4

Bumps [github.com/sashabaranov/go-openai](https://github.com/sashabaranov/go-openai) from 1.15.1 to 1.15.4.
- [Release notes](https://github.com/sashabaranov/go-openai/releases)
- [Commits](sashabaranov/go-openai@v1.15.1...v1.15.4)

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

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

go.mod

@@ -5,7 +5,7 @@ go 1.20
 require (
 	github.com/caarlos0/env/v7 v7.1.0
 	github.com/go-telegram-bot-api/telegram-bot-api/v5 v5.5.1
-	github.com/sashabaranov/go-openai v1.15.1
+	github.com/sashabaranov/go-openai v1.15.4
 	github.com/sourcegraph/conc v0.3.0
 )
 

go.sum

@@ -10,8 +10,8 @@ github.com/google/uuid v1.3.0/go.mod h1:TIyPZe4MgqvfeYDBFedMoGGpEw/LqOeaOT+nhxU+
 github.com/pkoukk/tiktoken-go v0.1.5 h1:hAlT4dCf6Uk50x8E7HQrddhH3EWMKUN+LArExQQsQx4=
 github.com/pkoukk/tiktoken-go v0.1.5/go.mod h1:9NiV+i9mJKGj1rYOT+njbv+ZwA/zJxYdewGl6qVatpg=
 github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM=
-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/sashabaranov/go-openai v1.15.4 h1:BXCR0Uxk5RipeY4yBC7g6pBVfcjh8jwrMNOYdie6yuk=
+github.com/sashabaranov/go-openai v1.15.4/go.mod h1:lj5b/K+zjTSFxVLijLSTDZuP7adOgerWeFyZLUhAKRg=
 github.com/sourcegraph/conc v0.3.0 h1:OQTbbt6P72L20UqAkXXuLOj79LfEanQ+YQFNpLA9ySo=
 github.com/sourcegraph/conc v0.3.0/go.mod h1:Sdozi7LEKbFPqYX2/J+iBAM6HpqSLTASQIKqDmF7Mt0=
 github.com/stretchr/testify v1.8.2 h1:+h33VjcLVPDHtOdpUCuF+7gSuG3yGIftsP1YvFihtJ8=