fix(deps): update renovate/renovate docker tag to v29.7.1

This MR contains the following updates:

Package	Update	Change
renovate/renovate	patch	29.7.0 -> 29.7.1

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Release Notes

renovatebot/renovate

v29.7.1

29.7.1 (2021-11-14)

Bug Fixes

• maven: Fetch latest when all releases are unstable (#​12647) (9c56a16)

Tests

• maven: Cover the case of void "last-modified" jar header (#​12641) (811f81d)

Code Refactoring

• maven: Clarify HTTP resource check function (#​12640) (60d03ad)

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