Update dependency renovate to ^21.12.6

This MR contains the following updates:

Package	Type	Update	Change
renovate (source)	dependencies	patch	^21.12.4 -> ^21.12.6

MR created with the help of gitlab-org/frontend/renovate-gitlab-bot

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Release Notes

renovatebot/renovate

v21.12.6

Compare Source

21.12.6 (2020-06-18)

Miscellaneous Chores

• deps: update dependency @​types/jest to v26 (#​6547) (2b8faae)

Build System

• deps: update dependency global-agent to v2.1.12 (#​6531) (af81de4)

v21.12.5

Compare Source

21.12.5 (2020-06-18)

Bug Fixes

• gitea: remove immortal MR warning (#​5999) (cb8d64d)

Code Refactoring

• Import index for datasource tests (part 2) (#​6546) (bd98334)
• Import index in datasource tests (#​6542) (ed7483a)

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Renovate configuration

📅 Schedule: At any time (no schedule defined).

🚦 Automerge: Enabled.

♻️ Rebasing: Whenever MR becomes conflicted, or you tick the rebase/retry checkbox.

🔕 Ignore: Close this MR and you won't be reminded about this update again.

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• If you want to rebase/retry this MR, check this box

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This MR has been generated by Renovate Bot.