Register new release

[jeetsukumaran]

@JuliaRegistrator register

Release notes:

Majority of updates dealing with better back-end cache management and auto-management, including TTL, auto-expiration by LRU etc.
Conceptual separation between user-labeled namespace and auto-labeled namespace caches allow users curate their entries without pollution from auto-mechanisms.
As usual, full migration pathways provided/documented/(semi-)automated.

(for more details, see CHANGELOG.md)

[JuliaRegistrator]

Registration pull request created: JuliaRegistries/General/153016

Tagging

After the above pull request is merged, it is recommended that a tag is created on this repository for the registered package version.

This will be done automatically if the Julia TagBot GitHub Action is installed, or can be done manually through the github interface, or via:

git tag -a v0.4.0 -m "<description of version>" ae11723bb56910cac013c78176a3bdee366d374c
git push origin v0.4.0