Bump class-transformer from 0.2.3 to 0.3.1

Bumps [class-transformer](https://github.com/typestack/class-transformer) from 0.2.3 to 0.3.1.
- [Release notes](https://github.com/typestack/class-transformer/releases)
- [Changelog](https://github.com/typestack/class-transformer/blob/develop/CHANGELOG.md)
- [Commits](typestack/class-transformer@v0.2.3...v0.3.1)

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

Author: dependabot[bot]

package-lock.json

@@ -57,7 +57,7 @@
 		"agenda": "^2.1.0",
 		"bcrypt": "^3.0.6",
 		"body-parser": "^1.19.0",
-		"class-transformer": "^0.2.3",
+		"class-transformer": "^0.3.1",
 		"class-validator": "^0.10.2",
 		"cors": "^2.8.5",
 		"dotenv": "^8.2.0",