feat(deps): update renovate/renovate docker tag to v29

This MR contains the following updates:

Package	Type	Update	Change
renovate/renovate	image	major	28.26.0-slim -> 29.0.1-slim

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Release Notes

renovatebot/renovate

v29.0.1

29.0.1 (2021-11-05)

Bug Fixes

• npm: massage package-lock.json before update (#​12485) (e09618f)

v29.0.0

⚠ BREAKING CHANGES

• automerge: Platform automerge is no longer enabled by default.
• go: Go modules lookups will now no longer fallback to Renovate native lookups if GOMROXY is configured and without "direct" explicitly configured.
• manager/regex: allow arbitrary regex groups for templates (#​12296)
• config: hostRules are no longer automatically derived from env variables such as NPM_X_TOKEN. Set detectHostRulesFromEnv=true in config to re-enable same functionality.

Features

• config: make host rule detection configurable and opt-in (#​12294) (70700ee)
• manager/regex: allow arbitrary regex groups for templates (#​12296) (1b84c52)

Bug Fixes

• automerge: default platformAutomerge to false (#​12487) (2735ac3)
• go: Don't fallback if GOMROXY used (#​12407) (f759f16)

Documentation

• improve descriptions (4eadba6)

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Configuration

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This MR has been generated by Renovate Bot.