chore(deps): update dependency ember-cli to v6 #1183

Job	Run time
Install	45s
Build Tests	1m 0s
Lint	49s
Floating Deps Test	1m 30s
[email protected]	1m 28s
[email protected]	1m 10s
[email protected]	1m 1s
Default Tests	1m 20s
Typecheck Docs	1m 26s
Publish Docs to Cloudflare Pages	2m 1s
${{ matrix.try-scenario }}	0s
Release	0s
Post Preview URL as comment to PR	54s
	13m 24s

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