feat(deps): update ghcr.io/renovatebot/renovate docker tag to v39.81.0

This MR contains the following updates:

Package	Update	Change
ghcr.io/renovatebot/renovate (source)	minor	39.80.0 -> 39.81.0

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Release Notes

renovatebot/renovate (ghcr.io/renovatebot/renovate)

v39.81.0

Compare Source

Features

• manager/helmfile: allow forward slashes in OCI chart names (#​33162) (54e718e)

Miscellaneous Chores

• deps: update containerbase/internal-tools action to v3.5.11 (#​33235) (f1a9b24)
• deps: update dependency graphql to v16.10.0 (#​33239) (c2527da)

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