fix(ember): Use ES5 syntax in inline vendor scripts #42113

Job	Run time
Get Metadata	7s
Check PR branches	4s
Check file formatting	1m 14s
Build	6m 6s
Size Check	1m 40s
Browser Unit Tests	2m 4s
Check for faulty .d.ts files	35s
Node (22) Unit Tests	45s
Lint	6m 44s
Node (24) Unit Tests	49s
Circular Dependency Check	1m 27s
Node (20) Unit Tests	50s
Cloudflare Integration Tests	48s
Node (18) Unit Tests	43s
Prepare E2E tests	2m 5s
Node (${{ matrix.node }})${{ (((matrix.typescript && format(' (TS {0})', matrix.typescript))) \|\| '') }} Integration Tests	0s
Playwright ${{ matrix.bundle }}${{ ((matrix.project && (matrix.project != 'chromium') && format(' {0}', matrix.project)) \|\| '') }}${{ ((matrix.shard && format(' ({0}/{1})', matrix.shard, matrix.shards)) \|\| '') }} Tests	0s
Bun Unit Tests	0s
Remix (Node ${{ matrix.node }}) Tests	0s
Node Overhead Check	0s
Deno Unit Tests	0s
PW ${{ matrix.bundle }} Tests	0s
Upload Artifacts	0s
E2E ember-classic Test	2m 58s
E2E ember-embroider Test	2m 43s
E2E ${{ (matrix.label \|\| matrix.test-application) }} Test (optional)	0s
All required jobs passed or were skipped	3s
	31m 45s

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