feat(deps): update renovate/renovate docker tag to v31.38.3

This MR contains the following updates:

Package	Update	Change
renovate/renovate	minor	31.36.0 -> 31.38.3

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Release Notes

renovatebot/renovate

v31.38.3

31.38.3 (2022-01-20)

Build System

• deps: update dependency redis to v4.0.2 (#​13677) (ec723e3)

v31.38.2

31.38.2 (2022-01-20)

Bug Fixes

• manager/composer: respect the PHP override in composer.json (#​13657) (73e7492)

Documentation

• refine k8s example (#​13668) (42537f2)

v31.38.1

31.38.1 (2022-01-20)

Bug Fixes

• docs manager->datasource relative link (#​13663) (7f8d593)
• helmv3: adapt to new OCI format and allow aliases for OCI (#​13603) (9e92712)

Documentation

• fix reviewers example (#​13666) (80b728e)

Code Refactoring

• versioning/gradle: ensure strict null check (#​13554) (f477669)

v31.38.0

Features

• config: read config from branches in baseBranches (#​12514) (e148b66)

v31.37.0

Features

• maven: settings.xml registry extraction (#​13592) (f88e498)

Code Refactoring

• versioning/cargo: enable strict null (#​13607) (bc0b561)

Miscellaneous Chores

• deps: update dependency @​types/shelljs to v0.8.11 (#​13659) (e168d25)

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