deps: update dependency renovate to v38.121.0

This MR contains the following updates:

Package	Update	Change
renovate (source)	minor	38.120.0 -> 38.121.0

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Release Notes

renovatebot/renovate (renovate)

v38.121.0

Compare Source

Features

• manager/copier: propagate Git auth env vars (#​31931) (5cb1078)

Documentation

• update references to renovate/renovate (#​31936) (9034b43)

Miscellaneous Chores

• deps: lock file maintenance (#​31937) (d6250d1)
• deps: update containerbase/internal-tools action to v3.4.30 (#​31935) (6babf2d)
• docs: remove duplicate sentence (#​31757) (9bd101c)

v38.120.1

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Bug Fixes

• deps: update ghcr.io/containerbase/sidecar docker tag to v11.11.31 (#​31930) (139c9d0)
• deps: update ghcr.io/renovatebot/base-image docker tag to v7.35.3 (#​31932) (effa2fd)

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