chore(deps): update dependency ember-cli-babel to v8 #1576

Job	Run time
Install	39s
Lint	44s
Build Tests	41s
Typecheck Docs	1m 11s
Floating Deps Test	1m 7s
Default Tests	1m 6s
Publish Docs to Cloudflare Pages	1m 21s
[email protected]	50s
[email protected]	1m 0s
[email protected]	1m 0s
ember-lts-3.28	1m 11s
ember-4.0	1m 57s
ember-lts-4.4	1m 44s
ember-lts-4.8	1m 11s
ember-lts-4.12	1m 42s
ember-release	1m 8s
ember-beta	1m 26s
ember-canary	1m 27s
'ember-release + embroider-safe'	1m 16s
'ember-release + embroider-optimized'	1m 28s
'ember-lts-3.28 + embroider-optimized'	52s
'ember-lts-4.4 + embroider-optimized'	54s
'ember-lts-4.8 + embroider-optimized'	1m 28s
Post Preview URL as comment to PR	0s
Release	0s
	27m 23s

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