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

@@ -75,7 +75,7 @@
         "@tsed/testing": "^5.62.0",
         "bcryptjs": "^2.4.3",
         "body-parser": "^1.18.2",
-        "class-transformer": "^0.2.3",
+        "class-transformer": "^0.3.1",
         "class-transformer-validator": "^0.8.0",
         "class-validator": "^0.12.2",
         "compression": "^1.7.4",