feat: use jiti for plugin loading #7532

Job	Run time
Format check	42s
Build	1m 13s
Linter	7m 40s
E2E tests (macos-latest)	3m 51s
Integration tests (windows-latest)	3m 33s
Integration tests (ubuntu-latest)	2m 4s
Integration tests (macos-latest)	2m 8s
Unit tests (windows-latest)	3m 6s
Unit tests (macos-latest)	4m 11s
E2E tests (windows-latest)	8m 28s
E2E tests (ubuntu-latest)	4m 6s
Unit tests (ubuntu-latest)	1m 53s
	42m 55s

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