chore(deps-dev): bump rollup from 4.9.0 to 4.9.1 #601

Job	Run time
Lint	45s
Tests (ubuntu-latest, chrome)	50s
Floating Dependencies (ubuntu-latest, chrome)	52s
Type checking - [email protected]	50s
Tests - ember-lts-3.28	1m 4s
Type checking - [email protected]	52s
Tests - ember-lts-4.4	47s
Tests - ember-lts-4.8	1m 1s
Tests - ember-lts-4.12	51s
Type checking - [email protected]	47s
Tests - ember-classic	47s
Tests - ember-release	51s
Type checking - typescript@next	51s
Tests - ember-beta	52s
Tests - embroider-safe	1m 16s
Tests - embroider-optimized	1m 8s
Tests - ember-canary	1m 15s
	15m 39s

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