Roll back the previous refactor.

Drops support for dockerMapDotfiles

BREAKING CHANGE: dockerMapDotfiles is no longer supported

Drops support for reading `.npmrc` from the bot's home directory.

BREAKING CHANGE: Renovate will no longer read from ~/.npmrc. Configure `npmrc` in config instead.

Removes support for the ignoreNpmrcFile config option.

BREAKING CHANGE: ignoreNpmrcFile is no longer supported. Use an empty string for config.npmrc instead.

Renames skipInstalls to artifactUpdateApproach and changes from boolean to enum.

BREAKING CHANGE: skipInstalls has been changed to artifactsUpdateApproach

Changes behavior so that patch updateType is not rewritten to minor by default.

Closes #2818

BREAKING CHANGE: patch updates are not considered updateType=minor by default.

Resets any language or manager` additionalBranchPrefix` values to empty string. Add the `compatibility:additionalBranchPrefix` prefix to restore previous behavior.

BREAKING CHANGE: Removal of default `additionalBranchPrefix` values will cause branch names to change for docker/helm/buildkite/cargo/homebrew.

Removes trustLevel and replaces it with 3 other options instead. No longer necessary to set anything additional is configuring `allowedPostUpgradeCommands`

BREAKING CHANGE: `trustLevel` is no longer supported and instead broken into `allowCustomCrateRegistries` , `allowScripts` , and `exposeAllEnv`.

Remove support for logLevel in config. Must be configured using LOG_LEVEL instead.

Closes #8291

BREAKING CHANGE: Configure LOG_LEVEL in env and not in config or CLI

Removes support for NPM_TOKEN.

BREAKING CHANGE: Do not use NPM_TOKEN in env to configure npm authentication. Configure hostRules instead.

Removes RENOVATE_LEGACY_GIT_AUTHOR_EMAIL support. 

Closes #9111

BREAKING CHANGE: RENOVATE_LEGACY_GIT_AUTHOR_EMAIL is no longer supported. Use `ignoredAuthors` in config instead.

This reverts commit 45739cdd.

* Add branch option for postUpgradeCommands

* Put the for loop back for async

* Fix tests & add documentation

* Change execution mode dependency to update

* Move postUpgradeCommand execution to seperate file

* Fix return time of upgradeTaskExecuter

* Fix test

* Finished new mode and added test

* Remove .only

* Remove defensive coding to make codecov happy

* Give inconfig a proper type

* Another missing type

* Fix typo in allowPostUpgradeCommandTemplating option description

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

* Move to 1 postUpgradeCommandExecutor call

* Appease the import order rule gods

* Refactor more

* Okay now it should be done

* Fix bug

* Import order rule

* Change import to a type import

* Also return artifacterrors

* Apply suggestions from code review

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

* Move checking if postUpgradeCommands can run

* remove unused import

* Fix prettier error

* Call getAdminConfig once

* Apply suggestions from code review

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

* Change type name to EnsurePrResult

* Update lib/workers/branch/index.spec.ts

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

* Apply suggestions from code review

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

* Fix enum imports

Co-authored-by: Carlin St Pierre <cstpierre@atlassian.com>
Co-authored-by: Michael Kriese <michael.kriese@visualon.de>

Co-authored-by: HonkingGoose <34918129+HonkingGoose@users.noreply.github.com>
Co-authored-by: Rhys Arkins <rhys@arkins.net>
Co-authored-by: Michael Kriese <michael.kriese@visualon.de>