Update dependency scalafmt to v3.9.8 (eikek#488)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

.scalafmt.conf

@@ -1,4 +1,4 @@
-version = "3.9.7"
+version = "3.9.8"
 
 preset = default
 align.preset = some