Update scalafmt-core to 2.6.1

[BenFradet]

Update scalafmt-core to 2.6.1

[codecov]

Codecov Report

Merging #355 into master will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff           @@
##           master     #355   +/-   ##
=======================================
  Coverage   68.56%   68.56%           
=======================================
  Files           8        8           
  Lines         299      299           
  Branches        3        3           
=======================================
  Hits          205      205           
  Misses         94       94           

Impacted Files	Coverage Δ
fetch-debug/src/main/scala/document.scala	0.00% <ø> (ø)
fetch/src/main/scala/syntax.scala	100.00% <ø> (ø)

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