Changes `rangeStrategy` default value from `'replace'` to `'auto'`. Also changes `auto` behavior so that `update-lockfile` is preferred if the manager
supports the `updateLockedDependency()` function.
Closes#19800
BREAKING CHANGE: Renovate will now default to updating locked dependency versions. To revert to previous behavior, configure rangeStrategy=replace.
Removes all logic where rangeStrategy=auto results in pinning.
Closes#18304
BREAKING CHANGE: Dependencies are no longer automatically pinned, pinning must be opted into using rangeStrategy=pin
Moves datasource, manager, platform and versioning code from lib/ into new lib/modules/
BREAKING CHANGE: External tools must update paths to datasource, manager, platform and versioning
Sergei Zharinov