chore(deps): bump github.com/sashabaranov/go-openai from 1.39.1 to 1.40.0 (#170)

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

Bumps [github.com/sashabaranov/go-openai](https://github.com/sashabaranov/go-openai) from 1.39.1 to 1.40.0.
- [Release notes](https://github.com/sashabaranov/go-openai/releases)
- [Commits](https://github.com/sashabaranov/go-openai/compare/v1.39.1...v1.40.0)

---
updated-dependencies:
- dependency-name: github.com/sashabaranov/go-openai
  dependency-version: 1.40.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

go.sum

@@ -182,8 +182,8 @@ github.com/rs/zerolog v1.31.0 h1:FcTR3NnLWW+NnTwwhFWiJSZr4ECLpqCm6QsEnyvbV4A=
 github.com/rs/zerolog v1.31.0/go.mod h1:/7mN4D5sKwJLZQ2b/znpjC3/GQWY/xaDXUM0kKWRHss=
 github.com/saintfish/chardet v0.0.0-20230101081208-5e3ef4b5456d h1:hrujxIzL1woJ7AwssoOcM/tq5JjjG2yYOc8odClEiXA=
 github.com/saintfish/chardet v0.0.0-20230101081208-5e3ef4b5456d/go.mod h1:uugorj2VCxiV1x+LzaIdVa9b4S4qGAcH6cbhh4qVxOU=
-github.com/sashabaranov/go-openai v1.39.1 h1:TMD4w77Iy9WTFlgnjNaxbAASdsCJ9R/rMdzL+SN14oU=
-github.com/sashabaranov/go-openai v1.39.1/go.mod h1:lj5b/K+zjTSFxVLijLSTDZuP7adOgerWeFyZLUhAKRg=
+github.com/sashabaranov/go-openai v1.40.0 h1:Peg9Iag5mUJtPW00aYatlsn97YML0iNULiLNe74iPrU=
+github.com/sashabaranov/go-openai v1.40.0/go.mod h1:lj5b/K+zjTSFxVLijLSTDZuP7adOgerWeFyZLUhAKRg=
 github.com/sebdah/goldie/v2 v2.5.5 h1:rx1mwF95RxZ3/83sdS4Yp7t2C5TCokvWP4TBRbAyEWY=
 github.com/sebdah/goldie/v2 v2.5.5/go.mod h1:oZ9fp0+se1eapSRjfYbsV/0Hqhbuu3bJVvKI/NNtssI=
 github.com/sergi/go-diff v1.3.1 h1:xkr+Oxo4BOQKmkn/B9eMK0g5Kg/983T9DqqPHwYqD+8=