fix(deps): update dependency renovate/renovate to v31.81.6

This MR contains the following updates:

Package	Update	Change
renovate/renovate	patch	31.81.3-slim -> 31.81.6-slim

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Release Notes

renovatebot/renovate

v31.81.5

31.81.5 (2022-02-14)

Bug Fixes

• manager/setup-cfg: handle more dependencies (#​14091) (f2bffda), closes /github.com/renovatebot/renovate/issues/14076#issue-1126227358

v31.81.4

31.81.4 (2022-02-14)

Bug Fixes

• manager/github-actions: dependencies with quotes are ignored (#​14130) (2cf304b)

Miscellaneous Chores

• deps: lock file maintenance (#​14206) (6550d51)
• deps: update dependency eslint-plugin-jest to v26.1.0 (#​14204) (a46b32c)

Documentation

• add root group requirements (#​14086) (a2bf99d)
• update references to renovate/renovate to v31.81.3 (#​14205) (ea8aaa2)

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