Stephan BehnkeandGitHub 7576d3cfd0 Move namespace attr validator to own package (#7114) ...

## What changed?
<!-- Describe what has changed in this PR -->

Moved code from `common/namespace` to `common/namespace/nsattr`.

## Why?
<!-- Tell your future self why have you made these changes -->

This removes the dependency from `common/namespace` on `common/cluster`.
One step towards using `common/dynamicconfig` from `common/namespace`.

## How did you test it?
<!-- How have you verified this change? Tested locally? Added a unit
test? Checked in staging env? -->

No behavior changes here.

## Potential risks
<!-- Assuming the worst case, what can be broken when deploying this
change to production? -->

## Documentation
<!-- Have you made sure this change doesn't falsify anything currently
stated in `docs/`? If significant
new behavior is added, have you described that in `docs/`? -->

## Is hotfix candidate?
<!-- Is this PR a hotfix candidate or does it require a notification to
be sent to the broader community? (Yes/No) -->

2025-01-18 00:56:56 +00:00

..

attr_validator_test.go

Move namespace attr validator to own package (#7114)

2025-01-18 00:56:56 +00:00

attr_validator.go

Move namespace attr validator to own package (#7114)

2025-01-18 00:56:56 +00:00

errors.go

Move namespace attr validator to own package (#7114)

2025-01-18 00:56:56 +00:00