Update renovate/renovate Docker tag to v31.28.3

This MR contains the following updates:

Package	Type	Update	Change
renovate/renovate	Kustomization	patch	31.28.2 -> 31.28.3

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Release Notes

renovatebot/renovate

v31.28.3

31.28.3 (2022-01-17)

Bug Fixes

• renovate: Print preset validation errors so that they don't get lost (#​13597) (4a332e0)

Miscellaneous Chores

• deps: lock file maintenance (#​13582) (899216f)
• deps: update dependency @​types/luxon to v2.0.9 (#​13578) (893bae8)

Code Refactoring

• datasource/go: Restrict parameters for "getDigest" (#​13584) (2fd071c)
• rez: ensure strict null check (#​13334) (9f7d024)

Documentation

• add forking-renovate to list of distributions (#​13535) (a6af88e)
• update references to renovate/renovate to v31.28.2 (#​13581) (7d66678)

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