test: rename vitest config files #5940

Job	Run time
Linter	5m 19s
Build	1m 19s
Format check	51s
Unit tests (ubuntu-latest)	1m 15s
Integration tests (windows-latest)	2m 58s
Unit tests (windows-latest)	2m 18s
E2E tests (windows-latest)	13m 43s
Unit tests (macos-latest)	1m 21s
E2E tests (ubuntu-latest)	6m 29s
E2E tests (macos-latest)	5m 53s
Integration tests (macos-latest)	1m 22s
Integration tests (ubuntu-latest)	1m 36s
	44m 24s

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