Update renovate/renovate Docker tag to v31.64.0

This MR contains the following updates:

Package	Type	Update	Change
renovate/renovate	Kustomization	minor	31.63.2 -> 31.64.0

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Release Notes

renovatebot/renovate

v31.64.0

Features

• datasource/golang-version: add golang-version datasource (#​13291) (109b77b)

Miscellaneous Chores

• deps: lock file maintenance (#​13921) (ba6a7e1)

Documentation

• update references to renovate/renovate to v31.63.2 (#​13920) (c0f0a25)

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