Update scalafmt-core to 3.8.6 #394

Job	Run time
Build and Test (ubuntu-latest, 2.13.15, adopt-hotspot@8, jvm)	2m 11s
Build and Test (ubuntu-latest, 2.13.15, adopt-hotspot@11, jvm)	2m 36s
Build and Test (ubuntu-latest, 2.13.15, temurin@17, jvm)	2m 23s
Build and Test (ubuntu-latest, 2.13.15, temurin@17, js)	2m 40s
Build and Test (ubuntu-latest, 2.13.15, temurin@17, native)	3m 15s
Build and Test (ubuntu-latest, 2.12.17, adopt-hotspot@8, jvm)	2m 21s
Build and Test (ubuntu-latest, 2.12.17, adopt-hotspot@11, jvm)	2m 41s
Build and Test (ubuntu-latest, 2.12.17, temurin@17, jvm)	2m 29s
Build and Test (ubuntu-latest, 2.12.17, temurin@17, js)	2m 37s
Build and Test (ubuntu-latest, 2.12.17, temurin@17, native)	3m 26s
Build and Test (ubuntu-latest, 3.3.4, adopt-hotspot@8, jvm)	2m 14s
Build and Test (ubuntu-latest, 3.3.4, adopt-hotspot@11, jvm)	2m 35s
Build and Test (ubuntu-latest, 3.3.4, temurin@17, jvm)	2m 32s
Build and Test (ubuntu-latest, 3.3.4, temurin@17, js)	2m 40s
Build and Test (ubuntu-latest, 3.3.4, temurin@17, native)	3m 30s
Publish Artifacts	0s
	40m 10s

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