chore(deps): bump github.com/volcengine/volc-sdk-golang in /backend (#147)

Bumps [github.com/volcengine/volc-sdk-golang](https://github.com/volcengine/volc-sdk-golang) from 1.0.252 to 1.0.253.
- [Release notes](https://github.com/volcengine/volc-sdk-golang/releases)
- [Changelog](https://github.com/volcengine/volc-sdk-golang/blob/main/Changelog)
- [Commits](https://github.com/volcengine/volc-sdk-golang/compare/v1.0.252...v1.0.253)

---
updated-dependencies:
- dependency-name: github.com/volcengine/volc-sdk-golang
  dependency-version: 1.0.253
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
Co-authored-by: ddCat <2695092045@qq.com>

backend/go.mod

@@ -5,7 +5,7 @@ go 1.25.0
 require (
 	github.com/gin-gonic/gin v1.12.0
 	github.com/redis/go-redis/v9 v9.21.0
-	github.com/volcengine/volc-sdk-golang v1.0.252
+	github.com/volcengine/volc-sdk-golang v1.0.253
 	golang.org/x/crypto v0.54.0
 	gorm.io/driver/postgres v1.6.2
 	gorm.io/driver/sqlite v1.6.0