Update dependency ember-intl to v5.6.1

[renovate[bot]]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
ember-intl (source)	5.6.0 -> 5.6.1

---

Release Notes

ember-intl/ember-intl

### [`v5.6.1`](https://togithub.com/ember-intl/ember-intl/releases/v5.6.1) [Compare Source](https://togithub.com/ember-intl/ember-intl/compare/v5.6.0...v5.6.1) - fix: Add test-support to typesVersions for TS v3 ([#​1509](https://togithub.com/ember-intl/ember-intl/issues/1509)) [`66aa983`](https://togithub.com/ember-intl/ember-intl/commit/66aa9830) - Update documentation to list polyfills dependencies ([#​1508](https://togithub.com/ember-intl/ember-intl/issues/1508)) [`defec78`](https://togithub.com/ember-intl/ember-intl/commit/defec78d) - fix: use number skeleton instead of custom format ([#​1503](https://togithub.com/ember-intl/ember-intl/issues/1503)) [`151bf9a`](https://togithub.com/ember-intl/ember-intl/commit/151bf9ac) - fix: rm minimumFractionDigits & maximumFractionDigits from default format ([#​1502](https://togithub.com/ember-intl/ember-intl/issues/1502)) [`7f01978`](https://togithub.com/ember-intl/ember-intl/commit/7f019780) - chore: use dependabot v2 from GH instead ([#​1494](https://togithub.com/ember-intl/ember-intl/issues/1494)) [`8c99934`](https://togithub.com/ember-intl/ember-intl/commit/8c99934a) - chore(ci): re-enable testing against `ember-canary` ([#​1482](https://togithub.com/ember-intl/ember-intl/issues/1482)) [`aa5c9c0`](https://togithub.com/ember-intl/ember-intl/commit/aa5c9c06)

---

Renovate configuration

:date: Schedule: At any time (no schedule defined).

:vertical_traffic_light: Automerge: Disabled by config. Please merge this manually once you are satisfied.

:recycle: Rebasing: Whenever PR becomes conflicted, or you tick the rebase/retry checkbox.

:no_bell: Ignore: Close this PR and you won't be reminded about this update again.

---

• [ ] If you want to rebase/retry this PR, check this box

---

This PR has been generated by WhiteSource Renovate. View repository job log here.