feat: use jiti for plugin loading #7657

Job	Run time
Linter	7m 15s
E2E tests (macos-latest)	7m 16s
Unit tests (macos-latest)	2m 3s
E2E tests (windows-latest)	18m 30s
Integration tests (ubuntu-latest)	2m 1s
Build	1m 37s
Integration tests (macos-latest)	1m 53s
Format check	40s
Unit tests (ubuntu-latest)	1m 53s
Unit tests (windows-latest)	3m 5s
Integration tests (windows-latest)	3m 43s
E2E tests (ubuntu-latest)	9m 4s
	59m 0s

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