[chore]: Bump github.com/gin-contrib/sessions from 1.0.2 to 1.0.3 (#4033)

Bumps [github.com/gin-contrib/sessions](https://github.com/gin-contrib/sessions) from 1.0.2 to 1.0.3.
- [Release notes](https://github.com/gin-contrib/sessions/releases)
- [Changelog](https://github.com/gin-contrib/sessions/blob/master/.goreleaser.yaml)
- [Commits](https://github.com/gin-contrib/sessions/compare/v1.0.2...v1.0.3)

---
updated-dependencies:
- dependency-name: github.com/gin-contrib/sessions
  dependency-version: 1.0.3
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

vendor/go.mongodb.org/mongo-driver/bson/bsonrw/value_writer.go

@@ -598,7 +598,7 @@ func (vw *valueWriter) writeLength() error {
 		return errMaxDocumentSizeExceeded{size: int64(len(vw.buf))}
 	}
 	frame := &vw.stack[vw.frame]
-	length = length - int(frame.start)
+	length -= int(frame.start)
 	start := frame.start
 
 	_ = vw.buf[start+3] // BCE