Update dependency zx to v8.4.1

[renovate]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
zx (source)	8.4.0 -> 8.4.1

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Release Notes

google/zx (zx)

v8.4.1: – Rusty Elbow

Compare Source

Logger enhancements are arriving in this release. #​1119 #​1122 #​1123 #​1125

• You can customize the output by defining your own formatters for each log entry kind.

$.log.formatters = {
  cmd: (entry: LogEntry) => `CMD: ${entry.cmd}`,
  fetch: (entry: LogEntry) => `FETCH: ${entry.url}`
  //...
}

• Cmd highlighter now should properly detect bins and arguments. If still not, please report it in #​1122
• Switched to TS 5.8 #​1120
• Applied zizmor to check GHA workflows #​1126
• Prettier is now enabled as a pre-commit hook #​1118

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