Bump barrel file deprecations until 7.0.0 #9442

Job	Run time
Basic Test	1m 36s
Type Checking (current version)	42s
Linting	1m 18s
Type Checking (other supported versions) (4.9)	1m 13s
Type Checking (other supported versions) (5.0)	1m 4s
Type Checking (other supported versions) (5.1)	59s
Type Checking (other supported versions) (5.2)	1m 1s
Type Checking (other supported versions) (5.3)	1m 2s
Blueprint Tests	8m 23s
Node.js Tests	44s
All deprecations enabled	44s
Smoke tests (Full Ember Apps) (classic-basics)	1m 19s
All deprecations enabled, with optional features	52s
Browserstack Tests (Safari, Edge)	4m 15s
Smoke tests (Full Ember Apps) (embroider-basics)	1m 39s
Deprecations as errors	44s
Deprecations as errors, with optional features	44s
Browser Tests (Firefox)	1m 33s
Production build	47s
Production build, with optional features	52s
Extend prototypes	36s
Extend prototypes, with optional features	34s
Publish alpha from default branch	0s
Publish channel to s3	0s
Deploy tags to npm	0s
Notify Discord	0s
	32m 41s

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