Update scalafmt-core to 3.8.4 (#561)

* Update scalafmt-core to 3.8.4

* Reformat with scalafmt 3.8.4

Executed command: scalafmt --non-interactive

* Add 'Reformat with scalafmt 3.8.4' to .git-blame-ignore-revs

.git-blame-ignore-revs

@@ -6,3 +6,6 @@ c3efd683f835329e057719c1f2ededac55589933
 
 # Scala Steward: Reformat with scalafmt 3.8.2
 d2b649ac01679f6b4a9482411665600e31209a43
+
+# Scala Steward: Reformat with scalafmt 3.8.4
+f8a1620a1fb7c589ed192c55af99e646562426b2

.scalafmt.conf

@@ -1,4 +1,4 @@
-version = 3.8.3
+version = 3.8.4
 project.layout = StandardConvention
 runner.dialect = scala212
 maxColumn = 120

build.sbt

@@ -84,7 +84,7 @@ lazy val sbtSonatype =
         "org.sonatype.spice.zapper" % "spice-zapper"  % versions.sonatypeZapperClient,
         "org.wvlet.airframe"       %% "airframe-http" % versions.airframe
         // A workaround for sbt-pgp, which still depends on scala-parser-combinator 1.x
-          excludeAll (ExclusionRule("org.scala-lang.modules", "scala-parser-combinators_2.12")),
+        excludeAll (ExclusionRule("org.scala-lang.modules", "scala-parser-combinators_2.12")),
         "org.wvlet.airframe"            %% "airspec"                           % versions.airframe % Test,
         "com.lumidion"                  %% "sonatype-central-client-sttp-core" % versions.sonatypeClient,
         "com.lumidion"                  %% "sonatype-central-client-upickle"   % versions.sonatypeClient,