chore(deps): update actions/checkout digest to 11bd719 #3393

Job	Run time
Lint Test App	23s
Lint Addon	20s
embroider-optimized - Allowed to fail	1m 20s
Tests (Floating Dependencies)	2m 21s
ember-beta - Allowed to fail	1m 6s
ember-canary - Allowed to fail	1m 16s
Tests (ember-4.0, false)	1m 27s
Tests (ember-lts-4.4, false)	1m 6s
Tests (ember-lts-4.8, false)	1m 9s
Tests (ember-4.12, false)	1m 19s
Tests (ember-lts-5.8, false)	1m 10s
Tests (ember-default, false)	1m 32s
Tests (ember-release, false)	45s
Tests (embroider-safe, false)	1m 36s
	16m 50s

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