chore(deps): update renovate/renovate docker tag to v25.76.2

This MR contains the following updates:

Package	Update	Change
renovate/renovate	patch	25.76.1 -> 25.76.2

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Release Notes

renovatebot/renovate

v25.76.2

25.76.2 (2021-08-19)

Bug Fixes

• datasource:adoptium-java: fix wrong api url (#​11302) (baa65d8)

Miscellaneous Chores

• prepare v25 legacy releases (#​11288) (ae01793)

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This MR has been generated by Renovate Bot.