feat: use jiti for plugin loading #7406

Job	Run time
Format check	54s
Linter	6m 58s
Unit tests (macos-latest)	2m 50s
Unit tests (ubuntu-latest)	1m 58s
Integration tests (ubuntu-latest)	1m 59s
Integration tests (windows-latest)	4m 24s
Unit tests (windows-latest)	5m 54s
Build	1m 1s
E2E tests (ubuntu-latest)	2m 51s
E2E tests (windows-latest)	5m 4s
Integration tests (macos-latest)	1m 35s
E2E tests (macos-latest)	2m 56s
	38m 24s

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