Update scalafmt-cli_2.13, scalafmt-core to 3.9.8 (#3771)

* Update scalafmt-cli_2.13, scalafmt-core to 3.9.8

* Adjust reference docs

---------

Co-authored-by: Piotr Chabelski <[email protected]>

Author: scala-steward

.scalafmt.conf

@@ -1,4 +1,4 @@
-version = "3.9.7"
+version = "3.9.8"
 
 align.preset = more
 maxColumn = 100

project/deps/package.mill.scala

@@ -120,7 +120,7 @@ object Deps {
     def jsoniterScalaJava8                = "2.13.5.2"
     def jsoup                             = "1.21.1"
     def scalaMeta                         = "4.13.8"
-    def scalafmt                          = "3.9.7"
+    def scalafmt                          = "3.9.8"
     def scalaNative04                     = "0.4.17"
     def scalaNative05                     = "0.5.8"
     def scalaNative                       = scalaNative05

website/docs/reference/cli-options.md

@@ -501,7 +501,7 @@ Pass a global dialect for scalafmt. This overrides whatever value is configured
 
 Aliases: `--fmt-version`
 
-Pass scalafmt version before running it (3.9.7 by default). If passed, this overrides whatever value is configured in the .scalafmt.conf file.
+Pass scalafmt version before running it (3.9.8 by default). If passed, this overrides whatever value is configured in the .scalafmt.conf file.
 
 ## Global suppress warning options
 

website/docs/reference/scala-command/cli-options.md

@@ -370,7 +370,7 @@ Aliases: `--fmt-version`
 
 `IMPLEMENTATION specific` per Scala Runner specification
 
-Pass scalafmt version before running it (3.9.7 by default). If passed, this overrides whatever value is configured in the .scalafmt.conf file.
+Pass scalafmt version before running it (3.9.8 by default). If passed, this overrides whatever value is configured in the .scalafmt.conf file.
 
 ## Global suppress warning options
 

website/docs/reference/scala-command/runner-specification.md

@@ -3948,7 +3948,7 @@ Aliases: `--dialect`
 
 **--scalafmt-version**
 
-Pass scalafmt version before running it (3.9.7 by default). If passed, this overrides whatever value is configured in the .scalafmt.conf file.
+Pass scalafmt version before running it (3.9.8 by default). If passed, this overrides whatever value is configured in the .scalafmt.conf file.
 
 Aliases: `--fmt-version`