Release v1.4.1 branch - Githubissues

Checklist for reviewer:

[ ] The description should reference a bug or github issue, if relevant.
[ ] There must be a CHANGELOG.md entry for any non-test change.
[ ] Any change to the NPM commands must be carefully reviewed to make sure it won't break the Add-ons pipeline.
[ ] Any version increase must follow the release process.

mozilla-rally / rally-core-addon