Update sbt-scalafmt to 2.6.1 (#597) #1368

Job	Run time
Validate Steward Config (ubuntu-22.04, temurin@11)	1m 23s
Submit Dependencies (ubuntu-22.04, temurin@8)	1m 23s
Generate Site (ubuntu-22.04, temurin@17)	1m 23s
Test (ubuntu-22.04, 3, temurin@17, rootJVM)	1m 23s
Test (ubuntu-22.04, 3, temurin@8, rootJVM)	1m 23s
Test (ubuntu-22.04, 3, temurin@8, rootNative)	1m 23s
Test (ubuntu-22.04, 3, temurin@8, rootJS)	1m 23s
Publish Artifacts	1s
post build	1s
	9m 43s

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