chore(deps): update renovate/renovate docker tag to v39.18.2

This MR contains the following updates:

Package	Type	Update	Change
renovate/renovate (source)	image	patch	39.18.1 -> 39.18.2

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Release Notes

renovatebot/renovate (renovate/renovate)

v39.18.2

Compare Source

Bug Fixes

• ensure packageFiles isn't null during dependency extraction (#​32570) (ebdf819)

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