feat: use jiti for plugin loading #7422

Job	Run time
E2E tests (windows-latest)	16m 53s
Unit tests (ubuntu-latest)	1m 58s
Format check	50s
Linter	6m 48s
Build	1m 33s
Unit tests (windows-latest)	4m 7s
Unit tests (macos-latest)	3m 43s
Integration tests (ubuntu-latest)	1m 53s
E2E tests (ubuntu-latest)	9m 23s
E2E tests (macos-latest)	9m 50s
Integration tests (macos-latest)	3m 20s
Integration tests (windows-latest)	3m 48s
	1h 4m 6s

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