[FEATURE] Add a `--route-authoring-format` option to the route generator #10718

Job	Run time
Basic Test	1m 15s
Linting	1m 2s
Type Checking (current version)	55s
Blueprint Tests	1m 58s
Type Checking (other supported versions) (5.0)	1m 2s
Type Checking (other supported versions) (5.2)	1m 1s
Type Checking (other supported versions) (5.1)	1m 0s
Type Checking (other supported versions) (5.3)	1m 8s
Type Checking (other supported versions) (5.7)	1m 3s
Type Checking (other supported versions) (5.4)	1m 5s
All deprecations enabled	1m 19s
Type Checking (other supported versions) (5.5)	1m 2s
All deprecations enabled, with optional features	1m 20s
Production build, with optional features	1m 13s
Deprecations as errors, with optional features	1m 21s
Browser Tests (Firefox)	1m 40s
Type Checking (other supported versions) (5.6)	1m 9s
Smoke tests (Full Ember Apps) (embroider-basics)	1m 30s
Node.js Tests	49s
Browserstack Tests (Safari, Edge)	6m 5s
Production build	1m 19s
Smoke tests (Full Ember Apps) (classic-basics)	1m 44s
Deprecations as errors	1m 14s
Publish alpha from default branch	0s
Deploy tags to npm	0s
Notify Discord	0s
Publish channel to s3	0s
	33m 14s

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