chore(deps): update dependency scalafmt to v3.9.7

[renovate]

This PR contains the following updates:

Package	Update	Change
scalafmt	patch	3.9.6 -> 3.9.7

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Release Notes

scalameta/scalafmt (scalafmt)

v3.9.7

Compare Source

Changes to alignment

Previously, with align.multiline = false, alignment had an inconsistency:

• the last line of a multiline expression would be properly aligned with subsequent single-line expressions
• but the first line of a multiline expression would not be aligned with preceding single-line expressions

In this release, this inconsistency is fixed (can't be controlled via a parameter):

• FormatWriter: fix inconsistent multiline alignment (#​4907) @​kitbellew
  • FormatWriter: in AlignStop, store isSlc, not owner (#​4909) @​kitbellew
  • FormatWriter: refactor AlignBlock.tryAppendToBlock (#​4908) @​kitbellew
  • FormatWriter: again fix infix align owner (#​4906) @​kitbellew
  • FormatWriter: compare eol owner tree positions (#​4905) @​kitbellew
  • FormatWriter: traverse align owner up infix chain (#​4904) @​kitbellew

Bug fixes

• Fix #​4897
  • FormatOps: modify ctrl-body comment splits (#​4901) @​kitbellew
  • Splits: prefer before-dot over after-arrow rule (#​4900) @​kitbellew
  • Splits: refine comment handling within select (#​4899) @​kitbellew
  • Splits: no optimal single line if cost positive (#​4898) @​kitbellew

Miscellaneous

• DeleteTree: ignore exceptions (#​4915) @​kitbellew
• FormatTests: write heat map async, skip under CI (#​4914) @​kitbellew

Build and dependency updates

• Scalameta: upgrade to v4.13.6 (#​4910) @​kitbellew
• Formatting: upgrade to v3.9.6 (#​4902) @​kitbellew

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[gaeljw]

Blocked by scalameta/scalafmt#4916