Excavator: Bump go dependency golang.org/x/sys

[svc-excavator-bot]

excavator is a bot for automating changes across repositories.

Changes produced by the go/bump-go-dependencies-oss check.

Go Dependency Updates

Module	From Version	To Version	Direct/Indirect	Target	Reason
golang.org/x/sys	v0.46.0	v0.47.0	Indirect	✓	Bumped to latest available version

Legend:

• Direct/Indirect: Shows whether the dependency is direct or indirect in go.mod
• New: Newly added dependency (wasn't in go.mod before)
• Removed: Dependency that was removed from go.mod
• Target: ✓ = The dependency specified in the update instruction
• Reason: Explains why this dependency changed

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