Fix toString for Scala 3 enums with no parameters #438

Job	Run time
Build and Test (ubuntu-latest, 2.12.15, temurin@8)	1m 20s
Build and Test (ubuntu-latest, 2.12.17, temurin@8)	1m 22s
Build and Test (ubuntu-latest, 2.12.18, temurin@8)	1m 17s
Build and Test (ubuntu-latest, 2.13.10, temurin@8)	1m 18s
Build and Test (ubuntu-latest, 2.13.11, temurin@8)	1m 29s
Build and Test (ubuntu-latest, 2.13.12, temurin@8)	1m 16s
Build and Test (ubuntu-latest, 3.1.3, temurin@8)	40s
Build and Test (ubuntu-latest, 3.2.2, temurin@8)	38s
Build and Test (ubuntu-latest, 3.3.0-RC6, temurin@8)	40s
Build and Test (ubuntu-latest, 3.3.0, temurin@8)	45s
Build and Test (ubuntu-latest, 3.3.1-RC1, temurin@8)	41s
Build and Test (ubuntu-latest, 3.3.1, temurin@8)	44s
Build and Test (ubuntu-latest, 3.3.2-RC1, temurin@8)	37s
Build and Test (ubuntu-latest, 3.4.0-RC1, temurin@8)	40s
Publish Artifacts	0s
	13m 27s

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