This fixes the following scenario:

- on boarding branch is created
- on boarding branch is closed (merged or not) - branch is deleted. So renovate is not configured.
- you relaunch renovate with `--dry-run true`. Then it crashes with:

Closes #3096

Closes #3096

Closes #2831

As requested in #3325

The documentation states that hostRules can be an object but actually renovate expects a list.

Also, set permission issues verbosity to warning because this is an issue that must be addressed, not just some minor info imo.

Allows dedupe options for npm and yarn.

Closes #2883 

Adds new config option postUpateOptions. Currently supports one value - gomodTidy.

Closes #2395

Closes #3304