chore(deps): bump github.com/bytedance/sonic from 1.7.1 to 1.8.1 (#3508)

Bumps [github.com/bytedance/sonic](https://github.com/bytedance/sonic) from 1.7.1 to 1.8.1.
- [Release notes](https://github.com/bytedance/sonic/releases)
- [Commits](https://github.com/bytedance/sonic/compare/v1.7.1...v1.8.1)

---
updated-dependencies:
- dependency-name: github.com/bytedance/sonic
  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.mod

@@ -3,7 +3,7 @@ module github.com/gin-gonic/gin
 go 1.18
 
 require (
-	github.com/bytedance/sonic v1.8.0
+	github.com/bytedance/sonic v1.8.1
 	github.com/gin-contrib/sse v0.1.0
 	github.com/go-playground/validator/v10 v10.11.2
 	github.com/goccy/go-json v0.10.0