Update dependency renovate to ^21.5.0

This MR contains the following updates:

Package	Type	Update	Change
renovate (source)	dependencies	minor	^21.4.0 -> ^21.5.0

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

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Release Notes

renovatebot/renovate

v21.5.0

Compare Source

Features

• presets: extract generic platform preset fetch (#​6467) (5a87c8b)

Bug Fixes

• ensure comment removal only when necessary (51a4a72), closes #​6469

Miscellaneous Chores

• deps: update mcr.microsoft.com/vscode/devcontainers/typescript-node docker tag to v0.122.1 (#​6472) (a77d73f)

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This MR has been generated by Renovate Bot.