Rename rate limit key ws to semtechws/lbslns

[johanstokking]

Summary

Follow up on #7110

Changes

This renames the ws ratelimit key to semtechws/lbslns.

Testing

Steps

N/A

Results

N/A

Regressions

This is a config changes. If there is custom rate limit config, there has to be an adjustment made. This is unfortunate but ws is just not a good key for Basic Station.

Checklist

• Scope: The referenced issue is addressed, there are no unrelated changes.
• Compatibility: The changes are backwards compatible with existing API, storage, configuration and CLI, according to the compatibility commitments in README.md for the chosen target branch.
• Documentation: Relevant documentation is added or updated.
• Testing: The steps/process to test this feature are clearly explained including testing for regressions.
• Infrastructure: If infrastructural changes (e.g., new RPC, configuration) are needed, a separate issue is created in the infrastructural repositories.
• Changelog: Significant features, behavior changes, deprecations and fixes are added to CHANGELOG.md.
• Commits: Commit messages follow guidelines in CONTRIBUTING.md, there are no fixup commits left.

[KrishnaIyer]

This is ok I think.