Update dependency sass to v1.77.1 #553

Job	Run time
Docs	1m 40s
Tests	3m 16s
Node Tests	1m 41s
Floating Dependencies	3m 1s
Coverage Report (default)	2m 44s
Coverage Report (plain-html)	3m 17s
ember-lts-4.4, Chrome	4m 4s
Coverage Report (bs4)	4m 25s
ember-lts-4.8, Chrome	4m 24s
Coverage Report (bs5)	4m 45s
ember-lts-4.12, Chrome	4m 19s
ember-lts-5.4, Chrome	4m 6s
ember-release, Chrome	4m 1s
ember-beta, Chrome	4m 6s
ember-canary, Chrome	4m 28s
ember-lts-4.4-with-plain-html, Chrome	4m 18s
ember-lts-4.8-with-plain-html, Chrome	3m 58s
ember-lts-4.12-with-plain-html, Chrome	4m 21s
ember-beta-with-plain-html, Chrome	4m 21s
ember-lts-4.4-with-ember-bootstrap-v4, Chrome	4m 17s
ember-lts-4.8-with-ember-bootstrap-v4, Chrome	4m 49s
ember-lts-4.12-with-ember-bootstrap-v4, Chrome	4m 31s
ember-beta-with-ember-bootstrap-v4, Chrome	4m 19s
ember-lts-4.4-with-ember-bootstrap-v5, Chrome	4m 38s
ember-lts-4.8-with-ember-bootstrap-v5, Chrome	4m 48s
ember-lts-4.12-with-ember-bootstrap-v5, Chrome	4m 35s
ember-beta-with-ember-bootstrap-v5, Chrome	4m 47s
embroider-safe, Chrome	4m 16s
embroider-optimized, Chrome	8m 0s
ember-release, Firefox	4m 58s
ember-default-with-ember-bootstrap-v4, Firefox	4m 31s
ember-default-with-ember-bootstrap-v5, Firefox	4m 38s
ember-default-with-plain-html, Firefox	3m 34s
Send Coverage Report	1m 31s
validate-success	1s
CI pipeline succeeded	1s
	2h 19m 29s

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