feat(deps): update renovate/renovate docker tag

This MR contains the following updates:

Package	Update	Change
renovate/renovate	minor	29.33.1 -> 29.34.1
renovate/renovate	minor	29.33.1-slim -> 29.34.0-slim

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Release Notes

renovatebot/renovate (renovate/renovate)

v29.34.1

29.34.1 (2021-12-08)

Bug Fixes

• manager/nuget: support package sources with whitespaces in keys (#​12882) (3a5ad66)

v29.34.0

Features

• composer: support providers without a hash (#​13000) (3f586ef)

renovatebot/renovate (renovate/renovate)

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