Update dependency scalafmt to v3.8.4

[renovate]

This PR contains the following updates:

Package	Update	Change
scalafmt	patch	3.8.3 -> 3.8.4

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Release Notes

scalameta/scalafmt (scalafmt)

v3.8.4

Compare Source

Includes release candidates:

• RC4
• RC3
• RC2
• RC1

Features

• Newlines: split afterInfix into infix.{term,type,pat}Site (#​4710) @​kitbellew
• NamedDialect: add scala36 as a supported version (#​4702) @​kitbellew

Bug fixes

• Router: handle comments around implicit in clause (#​4711) @​kitbellew
• FormatOps: { of refined type is optimal for defn (#​4707) @​kitbellew

Miscellaneous

• Newlines: add a shortcut to check for classic (#​4709) @​kitbellew
• ScalafmtConfig: remove unnecessary validity check (#​4708) @​kitbellew
• Documentation: revise newlines.selectChains (#​4703) @​kitbellew
• Documentation: fix redundantBraces.oneStatApply (#​4701) @​kitbellew
• git blame: ignore scalafmt reformat commits (#​4700) @​kitbellew
• Formatting: use redundantBraces.oneStatApply (#​4699) @​kitbellew
• Formatting: upgrade to v3.8.4-RC4 (#​4698) @​kitbellew

Build and dependency updates

• Scalameta: upgrade to v4.12.4.1 (#​4715) @​kitbellew
• Workflow: run CI only native-image upon release (#​4697) @​kitbellew

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