Release 557.0.0

[matthiasgeihs]

Explanation

Second try of first release of subscription-controller.

References

Checklist

• I've updated the test suite for new or updated code as appropriate
• I've updated documentation (JSDoc, Markdown, etc.) for new or updated code as appropriate
• I've communicated my changes to consumers by updating changelogs for packages I've changed, highlighting breaking changes as necessary
• I've prepared draft pull requests for clients and consumer packages to resolve any breaking changes

[Gudahtt]

Nit: Usually for the initial release, we just have an "Initial release" change entry, and we delete the rest (since they haven't really changed). Whatever you'd prefer is fine though, it doesn't strongly matter.

[Gudahtt]

LGTM!