Renovate: Update dependency go to v1.25.6

[renovate]

This PR contains the following updates:

Package	Type	Update	Change
go	uses-with	patch	1.25.5 → 1.25.6

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Release Notes

actions/go-versions (go)

v1.25.6: 1.25.6

Compare Source

Go 1.25.6

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Configuration

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