epinowcast/epidist: epidist 0.4.0

Package Enforce line length and use cli for latent prior checks. See #580. Removed CodeDepends from DESCRIPTION dependencies. Documentation Restructured pkgdown reference with higher-level categories. See #574. Updated FAQ to recommend pp_check with expanded data. See #575. Clarified weight parameter documentation in as_epidist_marginal_model(). See #565. Fixed pathfinder parameter usage in approximate inference vignette. See #573.