API: Update `arraypad`,`arraysetops`, `ufunclike` and `utils` namespaces in `np.lib`#24567

ngoldbaum merged 4 commits intonumpy:mainnumpy/numpy:mainfrom

mtsokol:lib-pad-setops-ufunc-utils-namespacemtsokol/numpy:lib-pad-setops-ufunc-utils-namespaceCopy head branch name to clipboard