Issue #3338328 by Spokje, andypost, longwave, effulgentsia, jungle, catch, smustgrave, Wim Leers: Update to Symfony 6.3

Issue #2514582 by Mile23, joachim, sahil.goyal, jhodgdon, Fabianx, dawehner: Document lazy services and fix script doxygen

Issue #2665992 by alexpott, klausi, heykarthikwithu, xjm, tstoeckler: @file is not required for classes, interfaces and traits

Issue #2408371 by dawehner, Fabianx, alexpott, bforchhammer: Proxies of module interfaces don't work