Sidecar containers will now use `containerbase/` prefix instead of `renovate/` prefix.

BREAKING CHANGE: containerbase/ account used for sidecar containers instead of renovate/

Checks file cache for expired items at the end of a run. Non-breaking change but it may result in some long cleanup jobs for any bots which have been left to populate their package cache for a long time.

Closes #13732

This cleanup of default `fileMatch` values should be backwards compatible.

Set default GOPROXY value to match `go`'s own default.

Closes #20040

BREAKING CHANGE: Renovate will now use go's default `GOPROXY` settings. To avoid using the public proxy, configure `GOPROXY=direct`.

Renovate will now use "soft" expiry of npm datasource lookups, combined with a hard expiry of 24 hours. Soft expired results are used to improve
performance plus can be reused in case npmjs errors on subsequent lookups

BREAKING CHANGE: Package cache will include entries for up to 24 hours after the last lookup. Set cacheHardTtlMinutes=0 to revert to existing behavior.

Sets new defaults:
- `prConcurrentLimit`: 10 (instead of 0)
- `prHourlyLimit`: 2 (instead of 0)

Closes #19800

BREAKING CHANGE: Renovate now defaults to applying hourly and concurrent PR limits. To revert to unlimited, configure them back to `0`.

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.

Adds new option `constraintsFiltering`.

Closes #19979

BREAKING CHANGE: PyPI releases will no longer be filtered by default based on `constraints.python` compatibility. To retain existing functionality, set
`constraintsFiltering=strict`.

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

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