chore: use @code-pushup/nx-plugin in repo #6509

Job	Run time
Build	1m 39s
Linter	1m 50s
Unit tests (windows-latest)	1m 34s
Unit tests (ubuntu-latest)	1m 17s
Unit tests (macos-latest)	50s
Format check	45s
Integration tests (ubuntu-latest)	1m 42s
E2E tests (macos-latest)	11m 40s
E2E tests (ubuntu-latest)	8m 20s
E2E tests (windows-latest)	14m 19s
Integration tests (macos-latest)	1m 4s
Integration tests (windows-latest)	1m 27s
	46m 27s

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