Co-authored-by: Michael Kriese <michael.kriese@visualon.de>

Renovate will no longer embed npm, yarn and pnpm as dependencies. Therefore, if you are not running via the Docker full image, then you need to ensure that any of these managers are installed prior to running Renovate. This is inline with other managers such as Gradle or Poetry that require installation alongside Renovate too.

Closes #4208

BREAKING CHANGE: npm, yarn and pnpm are no longer embedded with the installation

Co-authored-by: Rhys Arkins <rhys@arkins.net>

Co-Authored-By: Florian Greinacher <fgreinacher@users.noreply.github.com>

Closes #5165

Co-authored-by: Rhys Arkins <rhys@arkins.net>

Adds a new concept `logContext`, to be added to each log entry when in JSON format.

Closes #5551

New config option `rebaseWhen` replaces existing options `rebaseStalePrs` and `rebaseConflctedPrs`. Migration code added.